TIMKEN 28980-28921-B Tapered roller bearing
Also known as : 28980-28921-B
- Inside Diameter: 59.977 mm
- Outside Diameter: 100 mm
- Width: 9.525 mm
- Basic dynamic load rating: 106 kN
- Basic static load rating: 149 kN
TIMKEN 28980-28921-B
TIMKEN 28980-28921-B details
| Series | 28900 |
|---|---|
| model | 28980-28921-B |
| Cone Part Number | 28980 |
| Cup Part Number | 28921-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.700 Kg 1.70 lb |
| Dimensions | |
| d - Bore |
59.977 mm 2.3613 in |
| D - Cup Outer Diameter |
100.000 mm 3.9370 in |
| D1 - Flange Outer Diameter |
103.962 mm 4.0930 in |
| B - Cone Width |
25.400 mm 1.0000 in |
| C - Cup Width |
19.845 mm 0.7813 in |
| C1 - Cup Flange Width |
3.970 mm 0.1563 in |
| T - Bearing Width to Flange |
9.525 mm 0.3750 in |
| T1 - Bearing Width |
25.400 mm 1.0000 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
3.600 mm 0.14 in |
| r - Cup Backface "To Clear" Radius |
3.30 mm 0.130 in |
| da - Cone Frontface Backing Diameter |
67.10 mm 2.64 in |
| db - Cone Backface Backing Diameter |
72.90 mm 2.87 in |
| Da - Cup Frontface Backing Diameter |
98.04 mm 3.90 in |
| Ab - Cage-Cone Frontface Clearance |
2.3 mm 0.09 in |
| Aa - Cage-Cone Backface Clearance |
1.3 mm 0.05 in |
| a - Effective Center Location |
-2.5 mm -0.1 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
27500 N 6180 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
106000 N 23800 lbf |
| C0 - Static Radial Rating |
149000 N 33500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
20000 N 4500 lbf |
| Factors | |
| K - Factor | 1.37 |
| e - ISO Factor | 0.43 |
| Y - ISO Factor | 1.41 |
| G1 - Heat Generation Factor (Roller-Raceway) | 60.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 24.5 |
| Cg - Geometry Factor | 0.103 |
TIMKEN 28980-28921-B bearing cross reference
68450R/68709R
59.977 mmx 100 mmx 9.525 mm
H414245/H414210
59.977 mmx 100 mmx 9.525 mm
387/382A
59.977 mmx 100 mmx 9.525 mm
HM88630R/HM88610R
59.977 mmx 100 mmx 9.525 mm
02473R/02420R
59.977 mmx 100 mmx 9.525 mm
23100R/23256R
59.977 mmx 100 mmx 9.525 mm
387-384ED
59.977 mmx 100 mmx 9.525 mm
389-384DRB
59.977 mmx 100 mmx 9.525 mm
EE132083-132126D
59.977 mmx 100 mmx 9.525 mm
42362D - 42586
59.977 mmx 100 mmx 9.525 mm
L357049-L357019-B
59.977 mmx 100 mmx 9.525 mm
