TIMKEN 25580-25521-B Tapered roller bearing
Also known as : 25580-25521-B
- Inside Diameter: 44.45 mm
- Outside Diameter: 83.058 mm
- Width: 8.733 mm
- Basic dynamic load rating: 90.5 kN
- Basic static load rating: 111 kN
TIMKEN 25580-25521-B
TIMKEN 25580-25521-B details
| Series | 25500 |
|---|---|
| model | 25580-25521-B |
| Cone Part Number | 25580 |
| Cup Part Number | 25521-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.700 Kg 1.50 lb |
| Dimensions | |
| d - Bore |
44.450 mm 1.7500 in |
| D - Cup Outer Diameter |
83.058 mm 3.2700 in |
| D1 - Flange Outer Diameter |
86.919 mm 3.4220 in |
| B - Cone Width |
25.400 mm 1.0000 in |
| C - Cup Width |
19.050 mm 0.7500 in |
| C1 - Cup Flange Width |
3.970 mm 0.1563 in |
| T - Bearing Width to Flange |
8.733 mm 0.3438 in |
| T1 - Bearing Width |
23.813 mm 0.9375 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 |
50 mm 1.97 in |
| db - Cone Backface Backing Diameter |
56.90 mm 2.24 in |
| Da - Cup Frontface Backing Diameter |
80.01 mm 3.18 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 |
-6.4 mm -0.25 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
23500 N 5270 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
90500 N 20300 lbf |
| C0 - Static Radial Rating |
111000 N 24900 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
13500 N 3020 lbf |
| Factors | |
| K - Factor | 1.74 |
| e - ISO Factor | 0.33 |
| Y - ISO Factor | 1.79 |
| G1 - Heat Generation Factor (Roller-Raceway) | 35.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 14.3 |
| Cg - Geometry Factor | 0.0801 |
TIMKEN 25580-25521-B bearing cross reference
68450R/68709R
44.45 mmx 83.058 mmx 8.733 mm
H414245/H414210
44.45 mmx 83.058 mmx 8.733 mm
387/382A
44.45 mmx 83.058 mmx 8.733 mm
HM88630R/HM88610R
44.45 mmx 83.058 mmx 8.733 mm
02473R/02420R
44.45 mmx 83.058 mmx 8.733 mm
23100R/23256R
44.45 mmx 83.058 mmx 8.733 mm
387-384ED
44.45 mmx 83.058 mmx 8.733 mm
389-384DRB
44.45 mmx 83.058 mmx 8.733 mm
EE132083-132126D
44.45 mmx 83.058 mmx 8.733 mm
42362D - 42586
44.45 mmx 83.058 mmx 8.733 mm
L357049-L357019-B
44.45 mmx 83.058 mmx 8.733 mm
