TIMKEN 1990X-1931 Tapered roller bearing
Also known as : 1990X-1931
- Inside Diameter: 23.813 mm
- Outside Diameter: 60.325 mm
- Width: 21.826 mm
- Basic dynamic load rating: 48.4 kN
- Basic static load rating: 50.2 kN
TIMKEN 1990X-1931
TIMKEN 1990X-1931 details
| Series | 1900 |
|---|---|
| model | 1990X-1931 |
| Cone Part Number | 1990X |
| Cup Part Number | 1931 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.300 Kg 0.70 lb |
| Dimensions | |
| d - Bore |
23.813 mm 0.9375 in |
| D - Cup Outer Diameter |
60.325 mm 2.3750 in |
| B - Cone Width |
21.336 mm 0.8400 in |
| C - Cup Width |
15.875 mm 0.6250 in |
| T - Bearing Width |
21.826 mm 0.8593 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
3.560 mm 0.14 in |
| r - Cup Backface "To Clear" Radius |
1.27 mm 0.050 in |
| da - Cone Frontface Backing Diameter |
29.46 mm 1.16 in |
| db - Cone Backface Backing Diameter |
36.07 mm 1.42 in |
| Da - Cup Frontface Backing Diameter |
55.88 mm 2.20 in |
| Db - Cup Backface Backing Diameter |
52.07 mm 2.05 in |
| Ab - Cage-Cone Frontface Clearance |
2 mm 0.08 in |
| Aa - Cage-Cone Backface Clearance |
2 mm 0.08 in |
| a - Effective Center Location |
-7.9 mm -0.31 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
12500 N 2820 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
48400 N 10900 lbf |
| C0 - Static Radial Rating |
50200 N 11300 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
7080 N 1590 lbf |
| Factors | |
| K - Factor | 1.77 |
| e - ISO Factor | 0.33 |
| Y - ISO Factor | 1.82 |
| G1 - Heat Generation Factor (Roller-Raceway) | 12.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 6.3 |
| Cg - Geometry Factor | 0.0565 |
TIMKEN 1990X-1931 bearing cross reference
68450R/68709R
23.813 mmx 60.325 mmx 21.826 mm
H414245/H414210
23.813 mmx 60.325 mmx 21.826 mm
387/382A
23.813 mmx 60.325 mmx 21.826 mm
HM88630R/HM88610R
23.813 mmx 60.325 mmx 21.826 mm
02473R/02420R
23.813 mmx 60.325 mmx 21.826 mm
23100R/23256R
23.813 mmx 60.325 mmx 21.826 mm
387-384ED
23.813 mmx 60.325 mmx 21.826 mm
389-384DRB
23.813 mmx 60.325 mmx 21.826 mm
EE132083-132126D
23.813 mmx 60.325 mmx 21.826 mm
42362D - 42586
23.813 mmx 60.325 mmx 21.826 mm
L357049-L357019-B
23.813 mmx 60.325 mmx 21.826 mm
