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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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2 in stock
Timken 451250 large-bore tapered roller bearing cup, 12-1/2 in outside diameter, 2-7/16 in wide. Outer race only, hardened and ground steel. 1 Pc.
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| MFR / Brand | Timken |
|---|---|
| MPN | 451250 |
| GTIN | 053893620442 |
| Model | 451-250 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 12.5000 in (317.500 mm) |
| Base Number | 451250 |
|---|---|
| Industry Terms | Taper bearing cup; tapered roller race; outer race; bearing cup only; mill bearing cup |
| Application Types | Rolling mill chocks; large gearboxes and pinion stands; crane and mining sheaves; press and kiln shafting |
| Mpn Variants | 451250; 451-250; Timken 451250 cup |
| Manufacturer Status | Timken imperial tapered roller cup number |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 451250 |
| Cup Width | 2.4375 in (61.913 mm) |
| Cup Backface To Clear Radius | 0.27 in |
| Part Number | 451250 |
| Cup Frontface Backing Diameter | 10.83 in |
| Additional Attributes | Max housing fillet radius 0.270 in (6.86 mm); housing backing shoulder diameter Da 10.83 in (275.08 mm), Db 10.59 in (268.99 mm); e factor 0.33; Y factor 1.84; geometry factor Cg 0.118 (Timken) |
| Item Weight | 31.1 kg (68.70 lb) |
| Common Misspellings | Timkin 451250; Timkn 451250; Timken 451 250; Timken 45-1250 |
Timken 451250 tapered roller bearing cup, the outer ring of a large-bore imperial tapered roller bearing. Cup only: no cone, rollers or cage. Outside diameter 12.5000 in (317.500 mm), width 2.4375 in (61.913 mm). Unit Quantity: 1 Pc.
Cup Part Number: 451250. Outside Diameter: 12.5000 in (317.500 mm). Cup Width: 2.4375 in (61.913 mm). Item Weight: 31.1 kg (68.70 lb). e Factor: 0.33. Y Factor: 1.84. Geometry Factor Cg: 0.118. GTIN: 053893620442. Country of Origin: United States.
Maximum housing fillet radius: 0.270 in (6.86 mm). Housing backing shoulder diameter, front face (Da): 10.83 in (275.08 mm). Housing backing shoulder diameter, back face (Db): 10.59 in (268.99 mm).
Timken 451250 is the cup number for this size. CAD model and data sheet: available from Timken.
Outside diameter 12.5000 in (317.500 mm) and width 2.4375 in (61.913 mm).
It is a single cup, the outer ring only.
31.1 kg (68.70 lb), per Timken.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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