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Central Surplus Bearing Finder
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Timken 52387W/52637B flanged tapered roller bearing, 3-7/8 in bore x 6-3/8 in OD, 6.6210 in flange OD. 52387W cone with 52637B flanged cup, 223,000 N C1.
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| MFR / Brand | Timken |
|---|---|
| MPN | 52387W/52637B |
| Model | 52387 W / 52637 B |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 3.8750 in (98.425 mm) |
| OD | 6.3750 in (161.925 mm) |
| Series | 52000 |
|---|---|
| Industry Terms | TSF tapered roller bearing, flanged cup taper bearing, cone and flanged cup, inch taper bearing |
| Flange Outer Diameter | 6.6210 in (168.173 mm) |
| Cup Flange Width | 0.25 in (6.35 mm) |
| Mpn Variants | 52387W/52637B, 52387W-52637B, 52387W/52637-B, 52387 W / 52637 B, 52387W 52637B 90099 |
| Precision Class | Not specified |
| K Factor | 1.23 |
| Dynamic Load Rating | 223,000 N (C1) |
| Static Load Rating | 343,000 N (C0) |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 52637B |
| Design Units | Imperial |
| Cup Width | 1.0313 in (26.195 mm) |
| Cup Backface To Clear Radius | 0.130 in (3.30 mm) |
| Cone Part Number | 52387W |
| Cone Width | 1.4219 in (36.116 mm) |
| Cone Backface To Clear Radius | 0.14 in (3.600 mm) |
| Cone Frontface Backing Diameter | 4.25 in (108 mm) |
| Cup Frontface Backing Diameter | 6.14 in (154.94 mm) |
| Cage Cone Frontface Clearance | 0.12 in (3 mm) |
| Cage Cone Backface Clearance | 0.16 in (4.1 mm) |
| Effective Center Location | -0.02 in (-0.5 mm) |
Timken 52387W/52637B is an inch single-row tapered roller bearing with a flanged cup (TSF type) from the Timken 52000 series: a 52387W cone with a 52637B single flanged cup. Bore Diameter: 3.8750 in (98.425 mm). Outside Diameter: 6.3750 in (161.925 mm). Flange Outer Diameter: 6.6210 in (168.173 mm). Condition: new old stock, made in USA.
52387W — Timken cone, 3-7/8 in bore, W execution of the 52387 cone.
52637B — Timken single cup, 6-3/8 in outside diameter. The B suffix on a cup marks a flanged cup; the flange locates the cup axially in a through-bored housing.
Dynamic Load Rating (C1): 223,000 N (50,200 lbf). Dynamic Load Rating (C90): 57,900 N (13,000 lbf). Static Load Rating (C0): 343,000 N (77,000 lbf). Dynamic Thrust Rating (Ca90): 47,100 N (10,600 lbf). A single-row tapered roller bearing takes combined radial and one-direction thrust load and is normally mounted opposed to a second bearing.
Cone Width: 1.4219 in (36.116 mm). Cup Width: 1.0313 in (26.195 mm). Cup Flange Width: 0.25 in (6.35 mm). Series: 52000. Rolling Elements: Tapered Roller. Number Of Rows: 1. Closure Type: Open.
Cone Backface To-Clear Radius: 0.14 in (3.600 mm). Shaft Backing Shoulder Diameter, Frontface (da): 4.25 in (108 mm). Shaft Backing Shoulder Diameter, Backface (db): 4.49 in (114 mm). Housing Backing Shoulder Diameter, Frontface (Da): 6.14 in (154.94 mm). Cup Backface To-Clear Radius: 0.130 in (3.30 mm). Effective Center Location: -0.02 in (-0.5 mm). Cage-Cone Backface Clearance (Aa): 0.16 in (4.1 mm). Cage-Cone Frontface Clearance (Ab): 0.12 in (3 mm). K Factor: 1.23. ISO e Factor: 0.47. ISO Y Factor: 1.26. Geometry Factor (Cg): 0.152.
The 52637B flanged cup also mates with the 52387 and 52400 cones. The plain 52637 cup is the unflanged version for a shouldered housing bore.
$144.56
12 in stock
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