TIMKEN 12580-12520 Tapered roller bearing
Also known as : 12580-12520
- Inside Diameter: 20.638 mm
- Outside Diameter: 49.225 mm
- Width: 19.845 mm
- Basic dynamic load rating: 43.6 kN
- Basic static load rating: 43.2 kN
TIMKEN 12580-12520
TIMKEN 12580-12520 details
| Series | 12500 |
|---|---|
| model | 12580-12520 |
| Cone Part Number | 12580 |
| Cup Part Number | 12520 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.200 Kg 0.4 lb |
| Dimensions | |
| d - Bore |
20.638 mm 0.8125 in |
| D - Cup Outer Diameter |
49.225 mm 1.9380 in |
| B - Cone Width |
19.845 mm 0.7813 in |
| C - Cup Width |
15.875 mm 0.6250 in |
| T - Bearing Width |
19.845 mm 0.7813 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
1.520 mm 0.06 in |
| r - Cup Backface "To Clear" Radius |
1.52 mm 0.06 in |
| da - Cone Frontface Backing Diameter |
25.91 mm 1.02 in |
| db - Cone Backface Backing Diameter |
28.45 mm 1.12 in |
| Da - Cup Frontface Backing Diameter |
45.97 mm 1.81 in |
| Db - Cup Backface Backing Diameter |
42.42 mm 1.67 in |
| Ab - Cage-Cone Frontface Clearance |
2 mm 0.08 in |
| Aa - Cage-Cone Backface Clearance |
0.3 mm 0.01 in |
| a - Effective Center Location |
-7.10 mm -0.28 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
11300 N 2540 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
43600 N 9810 lbf |
| C0 - Static Radial Rating |
43200 N 9720 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
6260 N 1410 lbf |
| Factors | |
| K - Factor | 1.81 |
| e - ISO Factor | 0.32 |
| Y - ISO Factor | 1.86 |
| G1 - Heat Generation Factor (Roller-Raceway) | 8.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 6.21 |
| Cg - Geometry Factor | 0.0495 |
TIMKEN 12580-12520 bearing cross reference
68450R/68709R
20.638 mmx 49.225 mmx 19.845 mm
H414245/H414210
20.638 mmx 49.225 mmx 19.845 mm
387/382A
20.638 mmx 49.225 mmx 19.845 mm
HM88630R/HM88610R
20.638 mmx 49.225 mmx 19.845 mm
02473R/02420R
20.638 mmx 49.225 mmx 19.845 mm
23100R/23256R
20.638 mmx 49.225 mmx 19.845 mm
387-384ED
20.638 mmx 49.225 mmx 19.845 mm
389-384DRB
20.638 mmx 49.225 mmx 19.845 mm
EE132083-132126D
20.638 mmx 49.225 mmx 19.845 mm
42362D - 42586
20.638 mmx 49.225 mmx 19.845 mm
L357049-L357019-B
20.638 mmx 49.225 mmx 19.845 mm
