TIMKEN 28580-28521-B Tapered roller bearing
Also known as : 28580-28521-B
- Inside Diameter: 50.8 mm
- Outside Diameter: 92.075 mm
- Width: 8.73 mm
- Basic dynamic load rating: 98.9 kN
- Basic static load rating: 130 kN
TIMKEN 28580-28521-B
TIMKEN 28580-28521-B details
| Series | 28500 |
|---|---|
| model | 28580-28521-B |
| Cone Part Number | 28580 |
| Cup Part Number | 28521-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.800 Kg 1.70 lb |
| Dimensions | |
| d - Bore |
50.8 mm 2 in |
| D - Cup Outer Diameter |
92.075 mm 3.6250 in |
| D1 - Flange Outer Diameter |
95.941 mm 3.7772 in |
| B - Cone Width |
25.400 mm 1.0000 in |
| C - Cup Width |
19.845 mm 0.7813 in |
| C1 - Cup Flange Width |
3.967 mm 0.1562 in |
| T - Bearing Width to Flange |
8.730 mm 0.3437 in |
| T1 - Bearing Width |
24.608 mm 0.9688 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
3.600 mm 0.14 in |
| r - Cup Backface "To Clear" Radius |
0.80 mm 0.030 in |
| da - Cone Frontface Backing Diameter |
56.90 mm 2.24 in |
| db - Cone Backface Backing Diameter |
63 mm 2.48 in |
| Da - Cup Frontface Backing Diameter |
89.90 mm 3.54 in |
| Ab - Cage-Cone Frontface Clearance |
1.5 mm 0.06 in |
| Aa - Cage-Cone Backface Clearance |
1 mm 0.04 in |
| a - Effective Center Location |
-4.8 mm -0.19 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
25700 N 5770 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
98900 N 22200 lbf |
| C0 - Static Radial Rating |
130000 N 29200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
16600 N 3720 lbf |
| Factors | |
| K - Factor | 1.55 |
| e - ISO Factor | 0.38 |
| Y - ISO Factor | 1.59 |
| G1 - Heat Generation Factor (Roller-Raceway) | 46.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 22.6 |
| Cg - Geometry Factor | 0.0912 |
TIMKEN 28580-28521-B bearing cross reference
68450R/68709R
50.8 mmx 92.075 mmx 8.73 mm
H414245/H414210
50.8 mmx 92.075 mmx 8.73 mm
387/382A
50.8 mmx 92.075 mmx 8.73 mm
HM88630R/HM88610R
50.8 mmx 92.075 mmx 8.73 mm
02473R/02420R
50.8 mmx 92.075 mmx 8.73 mm
23100R/23256R
50.8 mmx 92.075 mmx 8.73 mm
387-384ED
50.8 mmx 92.075 mmx 8.73 mm
389-384DRB
50.8 mmx 92.075 mmx 8.73 mm
EE132083-132126D
50.8 mmx 92.075 mmx 8.73 mm
42362D - 42586
50.8 mmx 92.075 mmx 8.73 mm
L357049-L357019-B
50.8 mmx 92.075 mmx 8.73 mm
