Central Surplus Bearing Finder
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Tapered roller bearing cone assembly, 4.500 in bore, inch 71000 series. Mates with the 71750 cup to form a 4.5 x 7.5 in tapered single bearing.
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$471.32
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
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Tapered Roller Bearing Cone – 3.7500 in Bore, 1.4219 in Width, 223,000 N Dynamic Rating$53.09| MFR / Brand | Timken |
|---|---|
| MPN | 71450W |
| Model | 71450 W |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 4.5 in |
| Series | 71000 |
|---|---|
| Base Number | 71450 |
| Industry Terms | tapered roller cone; inner race; cone assembly; cone only; taper bearing cone; TS tapered single; inch taper bearing |
| Application Types | Heavy industrial gearboxes; axle and wheel ends; mill and conveyor shaft positions; adjustable tapered roller arrangements |
| Bore Shaft Size | 4.500 in (114.3 mm) |
| Replacement Insert | Mating cup: Timken 71750 (or 71750-B flanged, for TSF arrangements). Complete assembly 71450/71750 is 4.500 in bore x 7.500 in OD x 1.875 in overall width. |
| Mpn Variants | 71450W; 71450-W; 71450 W; 71450 |
| Manufacturer Status | 71450 remains an active industry-standard inch tapered cone number |
| Compatible With Replaces | Any 71450-cone tapered roller position; pairs with the 71750 cup |
| Dynamic Load Rating C1 | 364,000 N — for the complete 71450/71750 assembly. A cone alone carries no rating. |
| Additional Attributes | CONE ASSEMBLY ONLY — the mating cup (outer race) is not included. Press only on the inner ring back face, never against the cage or rollers. Never pair a new cone with a used cup. Tapered roller bearings are adjustable and must be set to the specified end play or preload after fitting. New old stock. |
| Item Weight | Approximately 5.2 kg for the complete 71450/71750 assembly (Timken published figure); cone-only weight not separately published |
| Number Of Rows | 1 (when assembled with the mating cup) |
| Harmonization Code | 8482.20.00 |
| Design Units | Inch |
| Bearing Class | Class 2 |
| Bearing Material | Case-Carburized Steel |
| Part Number | 71450W |
| Cone Part Number | 71450 |
| Cone Width | 2.1250 in |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 5.16 in |
| Effective Center Location | -0.59 in |
| Cage Type | Stamped Steel |
| Cross Reference 1 | 71450 (standard cone number, multiple manufacturers) |
|---|---|
| Cross Reference 2 | 71450/71750 (complete tapered single assembly this cone belongs to) |
| Cross Reference 3 | 71750 (mating cup — sold separately) |
| Cross Reference 4 | 71750-B (flanged cup variant, TSF arrangement) |
Timken 71450W tapered roller bearing cone assembly — the inner race complete with its rollers and cage. Brand: Timken. Designation: 71450W. Base Number: 71450. Series: 71000 inch tapered. Bearing Type: tapered roller bearing, cone assembly. Bore: 4.500 in (114.3 mm). Design Units: English. Number Of Rows: 1. Rolling Elements: tapered rollers. Unit Quantity: 1 Pc. Cone only. The matching cup is the Timken 71750.
71450: the ANSI/ABMA cone number in Timken’s 71000 inch tapered series. W: a Timken variant marking carried on this item, retained as a search term. Listing search forms: 71450W, 71450, 71450 W.
The load rating of a tapered roller bearing is a property of the assembled cone and cup. Timken publishes the following for the complete 71450/71750 tapered single assembly. Bore d: 4.500 in (114.3 mm). Outside Diameter D: 7.500 in (190.5 mm). Overall assembled width T: 1.875 in (47.625 mm). Cone width through bore B: 1.9375 in. Cup width C: 1.375 in. Dynamic Load Rating (C1): 364,000 N. Static Load Rating (C0): 543,000 N. Assembly weight: approximately 5.2 kg.
The cone is wider than the assembled bearing — 1.9375 in against 1.875 in — because the cone’s back face projects past the cup when the rollers are seated. Tapered roller bearings are adjustable, so the running clearance or preload of the assembly is set at fitting rather than built into the components.
Unit Quantity: 1 Pc. The sale unit is one cone assembly: inner race, tapered rollers and cage. The matching cup is the Timken 71750.
71450 is an industry-standard inch tapered cone number available from several manufacturers, and same-number substitution is generally valid on geometry. The mating cup is 71750, with a flanged variant 71750-B for TSF (tapered single with flange) arrangements. The 71425 cone runs against the same 71750 cup at a smaller bore, so the cone number identifies a used assembly more reliably than the cup number.
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