Latest cast iron cover Tenders | Government cast iron cover Tenders

Central Government/Public Sector

CTN :45591672

23 Jun, 2026 NA

Multi City - Uttar Pradesh

Tender For auction sale of depot ferrous scrap - scrap ferrous cast steel consisting of buffer, buffer socket,buffer plunger, axle box housing,axle cover, coupler body & its loos-parts, knucle, pivot top & bottom, wind & narrow-jaw adopter, rear & inner cover, anti roll-bar with c.i.,screw coupling, pin, various types of shaft with or w/o bearing, bearing coller & cone, roller - cartridge bearing, supporting, device, spring- leaf, small lever & pull-rod, hanger bracket, control arm link, anchrage lock, roller/balls of bearing, motor suspension - unit tube, cuppler - body with balancing draft wear pad, gear off shorts cut pcs of wheel disc, tyre & axle, lower- spring beam arrangement seat,buffer complet, m.s. chain, break shoe head,machine hook,guide-rod , impeler track machine parts,ingot,iron block, & other varrious items fit for cast steel release from loco,carriage, sig, electric, trd, tmc, of sort & sizes with attachment of steel, c.i. & neg. non ferrous. if any. note :- 1. loading by purchaser. 2. cutting not allowed. 3. delivery not allowed against part payment. location :- lying in bin no. 06 near line no. -10

State Government

CTN :45562938

22 Jun, 2026 NA

Ranchi - Jharkhand

Tender For stone boulder of size 150 mm and below at source quarry supply of quarried stone 150-200 mm size for hand broken at source quarry boulder with minimum size of 300 mm for pitching at source quarry coarse sand i) at source coarse sand ii) at source fine sand at source quarry moorum at source quarry gravel/quarry spall at source quarry granular material or hard murum for gsb works at source quarry fly ash conforming to is:3812 (part ii & i) at hmp plant/batching plant/crushing plant filter media/filter material as per table 300-3 (mort&h specification) at crusher. close graded granular sub-base material 53 mm to 9.5 mm/4.75mm at crusher. close graded granular sub-base material 37.5 mm to 9.5 mm at crusher. close graded granular sub-base material 26.5 mm to 9.5 mm at crusher. close graded granular sub-base material 9.5 mm to 4.75 mm at crusher. close graded granular sub-base material 9.5 mm to 2.36mm at crusher. close graded granular sub-base material 4.75mm to 2.36mm at crusher. close graded granular sub-base material 4.75mm to 75 micron at crusher. close graded granular sub-base material 2.36 mm & below at crusher. stone crusher dust finer than 3 mm with not more than 10% passing 0.075 mm sieve at crusher. coarse graded granular sub-base material 2.36 mm & below at crusher. coarse graded granular sub-base material 4.75 mm to 75 micron at crusher. coarse graded granular sub-base material 4.75mm to 2.36 mm at crusher. coarse graded granular sub-base material 9.5mm to 4.75 mm at crusher. coarse graded granular sub-base material 26.5mm to 4.75 mm at crusher. coarse graded granular sub-base material 26.5 mm to 9.5 mm at crusher. coarse graded granular sub-base material 37.5 mm to 9.5 mm at crusher. coarse graded granular sub-base material 53 mm to 26.5 mm at crusher. aggregates below 5.6 mm at crusher. aggregates 22.4 mm to 2.36 mm at crusher. aggregates 22.4 mm to 5.6 mm at crusher. aggregates 45 mm to 2.8 mm at crusher. aggregates 45 mm to 22.4 mm at crusher. aggregates 53 mm to 2.8 mm at crusher. aggregates 53 mm to 22.4 mm(grade iii) at crusher. aggregates 63 mm to 2.8 mm at crusher. aggregates 63 mm to 45 mm (grade ii)at crusher. aggregates 90 mm to 45mm(grade i) at crusher. aggregates 10 mm to 5 mm at crusher. aggregates 11.2 mm to 0.09 mm (key aggregate type b) at crusher. aggregates 13.2 mm to 0.09 mm (key aggregate type a) at crusher. aggregates 13.2 mm to 5.6 mm at crusher. aggregates 13.2 mm to 10 mm at crusher. aggregates 20 mm to 10 mm at crusher. aggregates 25 mm to10 mm at crusher. aggregates 19 mm to 6 mm at crusher. aggregates 37.5 mm to 19 mm at crusher. aggregates 37.5 mm to 25 mm at crusher. aggregates 6 mm nominal size at crusher. aggregates 10 mm nominal size at crusher plant. aggregates 13.2/12.5 mm nominal size at crusher plant. aggregates 20 mm nominal size at crusher plant. aggregates 25 mm nominal size at crusher. aggregates 40 mm nominal size at crusher. crushing of stone aggregates (gsb crusher run) ac pipe 100 mm dia acrylic polymer bonding coat alluminium paint aluminium alloy plate 2mm thick aluminium alloy/galvanised steel aluminium sheeting 2mm thick fixed with encapsulated lens type reflective sheeting including 2% towards lettering, cost of angle iron, cost of drilling holes, nuts, bolts etc.and signs as applicable class-b type iv road aluminium stud with micro prismatic lens reflectors (with shank) 100 x 100 mm barbed wire bearing (cost of parts) bearing (cast steel rocker bearing assembly of 250 tonne ) road studs 100x100mm fitted with lense reflectors vide clause cl 804.2 of morth (5th revision) bearing (elastomeric bearing assembly consisting of 7 internal layers of elastomer bonded to 6 nos. internal reinforcing steel laminates by the process of vulcanisation) taking elastomeric bearing of size 500 x 400 x 96mm, overall volume=19200 cubic cm bearing (forged steel roller bearing of 250 tonne) bearing (pot type bearing assembly consisting of a metal piston supported by a disc, pt

CTN :45532259

21 Jun, 2026 NA

Kanchipuram - Tamil Nadu

Tender For supply of mechanical and electrical equipments - supply - mechanical lab equipments, single phase ac circuit kit for voltage, current and power measurement- 5a,300v, 300w/5a measurement of power by using various loads analog voltmeter 0-300v ac panel mountedanalog ammeter 0-5a ac panel mountedanalog wattmeter 1.5kw ac panel mountedsingle phase digital power monitor to measure powersingle phase ac lamp load 230v/5a 1kwpanel enclosure with hylam front panel with input/outputterminal outlets , mcb elcb trainer kit- 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5ampstwo pole elcb 30malamp load single phase 5amps panel enclosure and terminal outlets, four stroke petrol engine cut section model - single cylinder four stroke petrol engine cut sectional model with carburetor, spark plug, cut cylinder, piston, connecting rod, crank shaft, valve mechanism, cam shaft, timing gears and flywheel. all parts cut opened to study the components and its working provision to take values for valve timing. surface finish: painted and color coded for easy identification of components mounting: heavy-duty ms fabricated stand/base display type: static / dynamic demonstrationmodel, dc motor - type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armaturefeatures: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder - bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply: mounted on training base suitable for dismantling and inspection, bearing with shaft assembly - type: dismantling and assembly teaching unit shaft diameter: 30 mm shaft material: en8 steel bearings: deep groove ball bearing (6205 / 6206) housing: cast iron locking arrangement: circlips lock nuts end coversmounting: bench-mounted / frame-mounted unit, coupling unit using driving and driven shafts using plummer block bearing unit- the plummer block housing material: cast iron (grade fg 200 or equivalent).type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: groundcarbon steel (en8 or en9) for high surface finish. coupling type: flexible coupling: to demonstrate the bearings ability to handle slight misalignment. rigid flange coupling: to demonstrate traditional direct connection. driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., (a).sliding mesh gear box for dismantling and assembling - (a) max transmitted power 1to1.5hp, torque capacity- 40 to 200nm, number .of speed 3 to 6, gear module 1.5 to 2, sliding mesh gearbox gearbox type- sliding mesh forward gears- 3reverse -yes gear material -alloy steel lubrication- splash / oil gear teeth- spur typical gear ratios- 3.2:1 / 2.0:1 /1.3:1 input speed- 0 1800 rpm housing material- cast iron(b) constant mesh gear box cut section - constant mesh gearbox (cut section) gearbox type :constant mesh forward gears :4 gear teeth -helical / spur dog clutch type- sliding lubrication -oil sae 80w90 housing- cut section material -hardened alloy steeleducational features-labeled parts., measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement., accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

corporations/Associations/Others

CTN :45506174

09 Jul, 2026 20.32 Lacs

Aligarh - Uttar Pradesh

Tender For tender for supply of spares of bottom ash hopper system - feed gate with wedge , part no.- 3 & 33 drg. no. 551-40/069-01 , bush , part no.- 6 , moc - phospher bronze , drg. no. 551-40/069-01 , roll teeth , part no.-1 , moc -14% mn. steel , drg. no 551-40/071-01 , , 200 nb x 250 nb expender tees , elbows & bends , gate frame seal (feed gate spares drg. no. 551-40/069-01) , shaft sleeve , part no.- 7 , moc - s.s. aisi-410 , drg. no. 551-40/071-01 , feed gate wear liner with slotted csk m10x65 drawing no. 551-40/069-01 , block , part no.- 14 , moc - ms , drg. no. 551-40/069-01 , guide roller od-142 mm , id- 46 mm , thickness- 50 mm , guide roller bush od-46mm , id- 35mm , thickness- 5.50 mm moc gun metal , nozzle holder , part no.- 2 , moc - cast iron , drg. no.551-40/067-01 , combination tube (jet pumps spares drg. no. 551-40/67-01) , fixing clamp (feed gate spares drg. no. 551-40/069-01) , wedge , part no.- 33 , moc - ci fg 260 is 210 , drg. no. 551-40/069-01 , shaft , part no.- 24 , moc - c- 45 is 1875 , drg. no. 551-40/069-01

CTN :45261760

15 Jun, 2026 1.54 Lacs

Kohima - Nagaland

Tender For bid to ras corrigendum : supply of xylometazoline hcl 0point05per wv nasal drops , povidone iodine skin ointment 15 gm , povidone iodine solution 5per bottle of 100 ml , anti haemorrhoidal cream beclomethasone 0point025per plus phenylephrine 0point1per plus lignocaine 2point5per oint , terbinafine 1per cream tube of 10 gm , clobetasol 0point05per plus neomycine 0point5per plus miconazole 2per oint 5 gm , fusidic acid cream 2 per ww 10 g tube , benzoyl peroxide 2point5per tube of 20 gm , mometasone 0point1per tube of 10 gm , clotrimazole cream 1per tube of 15 gm , diclofenac gel 1per tube of 30 gm , diclofenac spray bott of 40 gm , chlorhexidine mouth wash 2per bott of 100 ml , desensitising paste stannous fluous fluoridepotassium nitratesod monofluorophosphate tube of 50 gm , ors sachet , isapgolispaghula husk 3point5 gm , medicated adhesive band aid size 1 x 3 , spirit 500 ml , intra venous transfusion set , chlorhexidine 4per wv hand scrub , hand sanitizer bott of 500 ml , compression stocking below knee assorted size smlxl , knee cap assorted size smlxlxxl , lumbo sacral belt size smlxlxxl , crepe bandage 5 cm , crepe bandage 10 cm , roller bandage 5 cm , roller bandage 10 cm , roller bandage 15 cm , glycerin ip bott of 100 ml , calamine lotion 100 ml , ketoconazole shampo , insulin syringe disposable , disposable insulin pen needles 4mm , disposable insulin pen needles 6mm , gloves sterile assorted size 66point577point5 , gloves nonsterile assorted size 66point577point5 , hyaluronic acid 20mg inj , wool cotton absorbent pkt of 50 gm , wool cotton absorbent pkt of 500 gm , orthopadeic cast padding bandage , micropore 11point52 inch , savlon liquid bott of 1 ltr , syringe dosposable plastic sterile10 ml with needle , syringe disposable plastic sterile 2 ml with needle , syringe disposable plastic sterile 5 ml with needle , omega 3 fatty acid tab , paracetamol 150 mgml 2 ml iv inj , silver sulphadiazine 1per ointment 20 gm tube , levocarnitine 500mg plus methycobalamin 1500mcg plus folic acid 1point5mg tab , clindamycin 1per plus adapalene 0point1per aloe allantoin gel , prochlorperazine maleate 5 mg tab , nitrofurantoin 100 mg tab , glutathione 500 mg tab , propranolol 10 mg tab , propranolol 20 mg tab , aceclofenac 100 mg plus thiocolchicoside 4 mg tab , cough lozenges , zolpidem 10 mg tab , bisacodyl 5 mg tab , iron with vitamin b 12 and folic acid bottle of 200 ml syp , rabies vaccine vial of 1 ml , herpes zoster shingles vaccine 50 mcg , nepafenac 0point3per wv 5 ml eye drops , racecadotril 100mg tab , adrenaline tartrate 1 1000 1 ml inj , probiotic multibacillary 4 , permethrin 5per tube of 30 gm , multivitamin b complex with zinc and minerals tab metronidazole susp 200 mg/5ml bott of 60 ml, norfloxacin 100 mg + metronidazole 100 mg/ 5ml suspension, cefixime syp 50 mg/5ml bott of 30 ml, amoxycillin 200 mg/5ml + clavulanic acid 28.5 mg/5ml syp in 30 ml bott, cremaffin (liquid paraffin 1.25mg + magnesium hydroxide , sucralfate suspension 1gm/5ml bott of 200 ml, cetirizine syp 5mg/5ml bott of 60 ml, alpha-amylase pepsin digestive enzyme syp, diclomine 10mg + simethicone 40mg bott of 60 ml syp, calcium + vit d3 syp 200 ml bott, syp ambroxol chlorpheniramine dextromethorphan , guaiphensin dextramethorpha phenylepherine chlorphniramine , cough sedative syp chlorpheniramine 100ml , salbutamol 100mcg 200 dose mdi, multivitamin syp, syp azithromycin 200 mg per 5 ml, tricholine citrate + sorbitol bott of 200 ml syp, cefpodoxime proxetil 50 mg syp oral suspension, potassium citrate + citric acid 100 ml bott syp, chlorpheniramine paracetamol phenylephrine sodium //bid details 2 / 74

CTN :45384476

17 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For corrigendum : purchase of equipments for mechanical department - purchase of equipments for mechanical department, tail stock assembly medium-duty tailstock assembly for dismantling & assembly quill stroke: minimum 75 mm taper: mt-3 (preferred standard) feed: hand wheel operated features: set-over screws for taper turning spindle locking arrangement body: cast iron (fg 260) spindle: hardened steel, working model of fuel supply system - petrol mpfi type petrol multi point fuel injection (mpfi) system for dismantling and assembly practice system type: non-working / cut-section model for study of internal construction construction: actual automotive components or equivalent training model mounted on frame includes throttle body (sectioned), fuel injectors, fuel rail, intake manifold includes fuel pump, fuel tank (dummy), fuel filter, pressure regulator includes ignition system components: ignition coil, spark plug, distributor (if applicable) ecu module (dummy/display type) with wiring layout representation all components cut-open, painted, and clearly labelled provision for manual demonstration of flow path and component interaction mounted on rigid ms powder-coated frame designed for repeated dismantling, assembly, and component identification, hydraulic cylinderbore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply: mounted on training base suitable for dismantling and inspection, hydraulic operated directional control valves (dcv) type: manual spool type dc valve configuration: 4/2 way size: ng06 (cetop 3) rated pressure: 210 bar flow capacity: 20 40 lpm body: hardened steel / cast steel spool: ground and hardened ports: clearly marked (p, a, b, t) supply: mounted on training plate suitable for dismantling and study, bearing with shaft assembly type: dismantling and assembly teaching unit shaft diameter: 30 mm shaft material: en8 steel bearings: deep groove ball bearing (6205 / 6206) housing: cast iron locking arrangement: circlips end covers mounting: bench-mounted / frame mounted unit, coupling unit using driving and driven shafts using plummer block bearing unit the plummer block housing material: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing). sealing: felt seals or v-ring seals (to demonstrate lubrication retention). lubrication: provided with a grease nipple at the top center for manual lubrication practice. the bearing type: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series). bore diameter: standard 25mm or 30 mm. shafting and coupling shaft material: ground carbon steel (en8 or en9) for high surface finish. coupling type: flexible coupling: to demonstrate the bearings ability to handle slight misalignment. rigid flange coupling: to demonstrate traditional direct connection. driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., 3d printing machine build volume(wxdxh) 256 x 256 x 256 mm shell enclosed (plastic & glass) hot end all-metal nozzle 0.4 mm stainless steel included max hot end temperature 300 nozzle diameter 0.4 mm (included) 0.2 mm, 0.6 mm, 0.8 mm build plate compatibility textured pei plate, cool plate, engineering plate, high temperature plate max build plate temperature 100 max speed of tool head 500 mm/s max acceleration of tool head 20 m/s supported filament pla, petg, tpu, pva, pet, abs, asa chamber monitoring camera low rate camera 1280 x 720/0.5fps time lapse supported filament run out sensor :yes control board fan closed loop control auxiliary part cooling fan closed loop control air filter activated carbon filter

State Government

CTN :45462091

29 Jun, 2026 NA

Godhra - Gujarat

Tender For supplying and stacking various type of building, road &other construction materials, at various places of taluka panchayat,godhra under mgnrega (annual unit rate) - cement isi mark 53grade, etc.opc, white cement, tmt bars fe-415, hysd steel bars, r.c.c. np3 pipe 900m.m. dia, r.c.c. np3 pipe 600m.m. dia, r.c.c. np3 pipe 300m.m. dia, crushed stone aggrigate for hard qulity 10 to 20 mm, crushed stone aggrigate for hard qulity 40 mm, crushed stone aggrigate for hard qulity 40 to 63 mm, hand broken metal 25-90m.m., rubble local, coarse sand, quarry dust, bricks- convention size, binding wire, kota stone 25m.m. thick, glaze tiles, vitrified granite tiles 8 mm to 10 mm tick 24 x 24 size, pvc water tank 1000 ltr, galvenise iron sheet 0.8 tick class 3, iron angle and pipe, pevar block m 200 grade 60 mm tick, hire charge for mixer machine rent, hire charge for water tanker rent 6kl capacity, murram (binding material), road roller hire charges 8 tone, wash basin 550*400m.m., colour distamper primer, marble slab/platform 25m.m. thick double polished, galvanised mild steel tube medium grade 20m.m., galvanised mild steel tube medium grade 32m.m., galvanised mild steel tube medium grade 40m.m., indian type wc pan size 580x 400m.m., cast iron nahni trap, flush cock, chromium plated brass /bib tap 15m.m., sw gully trap 100 x 100 mm size, kitchen sink 600m.m.*450m.m.*150m.m. (steel), pvc pipe 110m.m.dia 6kg per/sqm, hire charge for vibrator surface, hire charge for vibrator needle, asbestos.cement sheet, centaring(scalffoding), iron door, iron window, oil paint, uncost material carting trip, p or s trap 100 m.m. dia, electrict light fitting material

CTN :45430790

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic opreated directional control valve (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft material: ground carbon steel (en8 or en9) for high surface finish.coupling type: * flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur

corporations/Associations/Others

CTN :45451027

10 Jun, 2026 NA

Gandhinagar - Gujarat

Tender For auction sale of scrap grinding roller (high crome material],scrap bullring segment roller (high crome complete],used mixed oil/lubricating oil(u/s sludge) with barrels (24 nos =3962-ltr),brass scrap,scrap empty oil /grease barrel (210-ltr capacity),aluminum scrap,misc. electrical scrap,cast iron scrap,cut bearing scrap,aluminum cable scrap,scrap coal nozzle,instrument scrap

CTN :45379154

10 Jun, 2026 NA

Arakandanallur - Tamil Nadu

Tender For for mechanical engineering department lab equipments are required as per new syllabus - upgradation of labarotariesmechanical department, bearing with shaft assemblytype: dismantling and assembly teaching unitshaft diameter: 30 mmshaft material: en8 steelbearings: deep groove ball bearing (6205 / 6206)housing: cast ironlocking arrangement:circlipslock nutsend coversmounting:bench-mounted / frame-mounted unit, coupling unit using driving and driven shafts using plummer block bearing unitthe plummer block housing material: cast iron (grade fg 200 or equivalent).type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm.shafting and coupling shaft material: groundcarbon steel (en8 or en9) for high surface finish.coupling type: flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven).

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