TIMKEN 2688-2631-B Tapered roller bearing
Also known as : 2688-2631-B
- Inside Diameter: 26.988 mm
- Outside Diameter: 66.421 mm
- Width: 8.725 mm
- Basic dynamic load rating: 76.6 kN
- Basic static load rating: 81.7 kN
TIMKEN 2688-2631-B
TIMKEN 2688-2631-B details
| Series | 2600 |
|---|---|
| model | 2688-2631-B |
| Cone Part Number | 2688 |
| Cup Part Number | 2631-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.300 Kg 0.70 lb |
| Dimensions | |
| d - Bore |
26.988 mm 1.0625 in |
| D - Cup Outer Diameter |
66.421 mm 2.6150 in |
| D1 - Flange Outer Diameter |
70.282 mm 2.7670 in |
| B - Cone Width |
25.433 mm 1.0013 in |
| C - Cup Width |
19.050 mm 0.7500 in |
| C1 - Cup Flange Width |
3.962 mm 0.1560 in |
| T - Bearing Width to Flange |
8.725 mm 0.3435 in |
| T1 - Bearing Width |
23.813 mm 0.9375 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
1.5 mm 0.06 in |
| r - Cup Backface "To Clear" Radius |
0.80 mm 0.030 in |
| da - Cone Frontface Backing Diameter |
33 mm 1.3 in |
| db - Cone Backface Backing Diameter |
35.10 mm 1.38 in |
| Da - Cup Frontface Backing Diameter |
62.48 mm 2.46 in |
| Ab - Cage-Cone Frontface Clearance |
1.5 mm 0.06 in |
| Aa - Cage-Cone Backface Clearance |
0.3 mm 0.01 in |
| a - Effective Center Location |
-9.4 mm -0.37 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
19900 N 4470 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
76600 N 17200 lbf |
| C0 - Static Radial Rating |
81700 N 18400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
8640 N 1940 lbf |
| Factors | |
| K - Factor | 2.3 |
| e - ISO Factor | 0.25 |
| Y - ISO Factor | 2.36 |
| G1 - Heat Generation Factor (Roller-Raceway) | 19.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 8 |
| Cg - Geometry Factor | 0.0598 |
TIMKEN 2688-2631-B bearing cross reference
68450R/68709R
26.988 mmx 66.421 mmx 8.725 mm
H414245/H414210
26.988 mmx 66.421 mmx 8.725 mm
387/382A
26.988 mmx 66.421 mmx 8.725 mm
HM88630R/HM88610R
26.988 mmx 66.421 mmx 8.725 mm
02473R/02420R
26.988 mmx 66.421 mmx 8.725 mm
23100R/23256R
26.988 mmx 66.421 mmx 8.725 mm
387-384ED
26.988 mmx 66.421 mmx 8.725 mm
389-384DRB
26.988 mmx 66.421 mmx 8.725 mm
EE132083-132126D
26.988 mmx 66.421 mmx 8.725 mm
42362D - 42586
26.988 mmx 66.421 mmx 8.725 mm
L357049-L357019-B
26.988 mmx 66.421 mmx 8.725 mm
