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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
3 in stock
Flanged tapered roller bearing cup, 3.1496 in OD, 0.6250 in width, 3.3015 in flange OD. Class 3 precision for closer location and lower vibration.
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$60.38
3 in stock
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| MFR / Brand | Timken |
|---|---|
| Model | 28315 B #3 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 3.1496 in |
| Series | 28300 |
|---|---|
| Base Number | 28315 |
| Overall Width | 0.6250 in |
| Flange Outer Diameter | 3.3015 in |
| Cup Flange Width | 0.1563 in |
| Bearing Width To Flange | 0.1870" |
| Mpn Variants | 28315B-3, 28315-B *3, 28315B#3, 28315 B #3, 28315B3 |
| Precision Class | Class 3 |
| Rolling Elements | Tapered Roller |
| Item Weight | 0.50 kg (1.20 lb) |
| Number Of Rows | 1 |
| Cup Part Number | 28315-B |
| Design Units | Imperial |
| Cup Width | 0.6250" |
| Cup Backface To Clear Radius | 0.06" |
| Cup Frontface Backing Diameter | 2.91 in |
| Cross Reference 1 | SKF 28315 B |
|---|---|
| Cross Reference 2 | Koyo 28315B |
| Cross Reference 3 | NTN 4T-28315B |
| Cross Reference 4 | Fersa 28315B |
| Cross Reference 5 | BCA/Bower 28315B |
| Cross Reference 6 | PEER 28315B |
Timken 28315-B, an inch-series single flanged tapered roller bearing cup. Outside Diameter: 3.1496 in. Overall Width: 0.6250 in. Flange Outer Diameter: 3.3015 in. Flange Width: 0.1563 in. Item Weight: 0.50 kg (1.20 lb). Series: 28300. Base Number: 28315. Rolling Elements: Tapered Roller. Number Of Rows: 1. Precision Class: Class 3. Unit Quantity: 1 Pc.
28315 — the cup number within Timken’s 28300 inch tapered roller series.
B — flanged outer ring. The integral flange locates the cup axially against the housing face and squares the seal register in a through-bored housing.
*3 — Precision Class: Class 3. A tighter running tolerance than standard, giving lower running vibration and closer component location. The same marking appears as 28315B-3, 28315-B *3 and 28315B#3.
e Factor: 0.4. K Factor: 1.45. Y Factor: 1.49. The K factor fixes the ratio of radial to thrust capacity for the mounted pair, and at 1.45 this raceway angle carries substantial thrust alongside its radial load. Geometry Factor (Cg): 0.0709, the geometry constant Timken uses in its lubrication life adjustment factor.
Maximum Housing Fillet Radius: 0.06 in — the largest housing corner radius the cup back face clears. Housing Backing Shoulder Diameter, Frontface (Da): 2.91 in. The flange seats on the housing face, so the flange sets the axial position of the cup.
Unit Quantity: 1 Pc. Cup only — one flanged outer ring, single row.
28315-B is the industry designation for this envelope and is carried by SKF, Koyo, NTN as 4T-28315B, Fersa, BCA/Bower and PEER. The plain 28315 is the unflanged cup of the same series and a separate designation.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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