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Central Surplus Bearing Finder
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Timken 387W tapered roller bearing cone, 2.2500 in (57.150 mm) bore, 0.8640 in wide, 108,000 N C1 rating. Mates with Timken cup 382A or double cup 384DRB.
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| MFR / Brand | Timken |
|---|---|
| MPN | 387W |
| GTIN | 0053893022895 |
| Model | 387 W |
| Bearing Type | Tapered Roller Bearing Cone, Open |
| ID | 2.2500 in (57.150 mm) |
| Width | 0.8640 in (21.946 mm) |
| Series | 385 |
|---|---|
| Material | Case Carburized Steel |
| Mpn Variants | 387W, 387-W, 387 W |
| Compatible With Replaces | Timken 382A cup (387W/382A assembly); Timken 384DRB double cup (387W/384DRB TDO assembly) |
| Precision Class | Not specified |
| Dynamic Load Rating C1 | 108,000 N |
| Additional Attributes | C90 (90 million revs): 28,000 N; Ca90 axial: 16,900 N; K Factor 1.65; G1 Factor 42; G2 Factor 15.7; Geometry Factor (Cg) 0.0859 |
| Dynamic Load Rating | 108,000 N |
| Static Load Rating | 107,000 N |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.20.00 |
| Design Units | Imperial |
| Cone Part Number | 387W |
| Cone Width | 0.8640 in (21.946 mm) |
| Cone Backface To Clear Radius | 0.09 in (2.3 mm) |
| Cone Frontface Backing Diameter | 2.44 in (62 mm) |
| Cage Cone Frontface Clearance | 0.11 in (2.8 mm) |
| Cage Cone Backface Clearance | 0.03 in (0.8 mm) |
| Effective Center Location | -0.12 in (-3 mm) |
| Industry Terms | 387W cone; Timken 387W tapered roller bearing cone; 2-1/4 inch bore tapered cone; single cone inch taper bearing |
| Common Misspellings | Timkin 387W; Timken 387 W; Timken 387-W cone; 387W tappered bearing |
| Application Types | Gearboxes; wheel hubs; industrial machinery; power transmission |
Timken 387W single tapered roller bearing cone: the inner ring with its tapered rollers and cage. Cone only. Matching cup: Timken 382A, forming the 387W/382A single-row assembly. Timken also lists the 387W in the 387W/384DRB double-row TDO assembly with a 384DRB double cup. Unit Quantity: 1 Pc.
GTIN: 0053893022895.
387W — Timken cone part number. The W suffix identifies an execution distinct from the plain 387, published by Timken as its own part with its own figures.
Bore Diameter: 2.2500 in (57.150 mm). Cone Width: 0.8640 in (21.946 mm). Bore Type: Straight. Rolling Elements: Tapered Roller. Number Of Rows: 1. Dynamic Load Rating (C1, 1 million revolutions): 108,000 N (24,200 lbf). Dynamic Load Rating (C90, 90 million revolutions): 28,000 N (6,280 lbf). Dynamic Axial Rating (Ca90): 16,900 N (3,810 lbf). Static Load Rating (C0): 107,000 N (24,100 lbf). K Factor: 1.65.
Effective Center Location: -0.12 in (-3 mm). Max Shaft Fillet Radius: 0.09 in (2.3 mm). Shaft Backing Shoulder Diameter, Frontface (da): 2.44 in (62 mm). Shaft Backing Shoulder Diameter, Backface (db): 2.6 in (66 mm). Cage Location relative to Backface (Aa): 0.03 in (0.8 mm). Cage Location relative to Frontface (Ab): 0.11 in (2.8 mm).
Matching cup: Timken 382A. The 387W/382A assembly measures 2.2500 in (57.150 mm) bore, 3.8125 in (96.838 mm) OD and 0.8268 in (21.001 mm) overall width. Double cup: Timken 384DRB, in the 387W/384DRB TDO assembly. CAD model and data sheet: available from Timken (cad.timken.com).
Timken 382A forms the 387W/382A single-row assembly; Timken 384DRB double cup forms the 387W/384DRB TDO assembly.
Bore 2.2500 in (57.150 mm) and cone width 0.8640 in (21.946 mm).
Dynamic C1 108,000 N and static C0 107,000 N.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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