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Central Surplus Bearing Finder
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1 in stock
Timken 3660 tapered roller bearing cone, 13/16 in (20.638 mm) bore, 1.1975 in wide, 88,600 N dynamic rating. Mates with the 3620 cup. New old stock.
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| MFR / Brand | Timken |
|---|---|
| GTIN | 0053893129730 |
| Model | 3660 |
| Bearing Type | Tapered Roller Bearing Cone, Open |
| ID | 0.8125 in (20.638 mm) |
| Series | 3600 |
|---|---|
| Base Number | 3660 |
| Industry Terms | tapered roller bearing cone, TRB inner ring, cone assembly, 3600 series |
| Overall Width | 1.1975 in (30.417 mm) |
| Mpn Variants | 3660, TIM3660, 3660/3620 |
| Compatible With Replaces | Mates with Timken 3620 cup (3660/3620 assembly) |
| Precision Class | Not specified |
| Additional Attributes | C90: 23,000 N; Ca90: 11,100 N; K Factor: 2.07; Effective Center Location: -11.9 mm; Max Shaft Fillet Radius: 2.3 mm; Shaft Backing Shoulder da: 29.5 mm; Shaft Backing Shoulder db: 33.5 mm; G1 Factor: 17; G2 Factor: 6.38; Geometry Factor Cg: 0.0592; Assembly OD with 3620: 61.913 mm; Assembly Width T: 28.575 mm |
| Dynamic Load Rating | 88,600 N |
| Static Load Rating | 89,800 N |
| Number Of Rows | 1 |
| Bore Type | Cylindrical |
| Snap Ring Included | No |
| Harmonization Code | 8482.99.00 |
| Cup Part Number | 3620 |
| Design Units | Imperial |
| Cone Part Number | 3660 |
| Cone Width | 1.1975 in (30.417 mm) |
| Cross Reference 1 | NTN 4T-3660 |
|---|---|
| Cross Reference 2 | Koyo 3660 |
Timken 3660 is a single-row tapered roller bearing cone: the inner ring with its roller and cage assembly. Bore Diameter: 0.8125 in (20.638 mm). Cone only. Matching cup: Timken 3620. Together they form the 3660/3620 tapered single (TS) assembly.
3660 — Timken inch-series cone number in the 3600 series, 13/16 in bore.
No class suffix — standard Timken production tolerance.
Bore Diameter: 0.8125 in (20.638 mm). Overall Width: 1.1975 in (30.417 mm) cone width. Dynamic Load Rating: 88,600 N (19,900 lbf), C1 at one million revolutions. Static Load Rating: 89,800 N (20,200 lbf). Dynamic Radial Rating C90: 23,000 N (5,160 lbf). Dynamic Axial Rating Ca90: 11,100 N (2,500 lbf). K Factor: 2.07. The high static rating for a 13/16 in bore suits compact shafts carrying combined radial and thrust loads.
Max Shaft Fillet Radius: 0.09 in (2.3 mm). Shaft Backing Shoulder Diameter, front face: 1.16 in (29.5 mm). Shaft Backing Shoulder Diameter, back face: 1.32 in (33.5 mm). Effective Center Location: -0.47 in (-11.9 mm), inside the cone back face. Assembled with the 3620 cup: Outside Diameter 2.4375 in (61.913 mm), assembly width 1.1250 in (28.575 mm).
One cone. Open design, no seals. Number Of Rows: 1. Bore Type: cylindrical.
The 3660 number is a standard inch tapered roller series shared across makers; same-number cones from NTN (4T-3660) and Koyo mate with the 3620 cup. GTIN: 0053893129730.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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