TIMKEN 1987-1931 tapered roller bearings
Also known as : 1987-1931
- Inside Diameter: 26.975 mm
- Outside Diameter: 60.325 mm
- Width: 19.355 mm
- Basic dynamic load rating: 48.4 kN
- Basic static load rating: 50.2 kN
TIMKEN 1987-1931 Bearing
TIMKEN 1987-1931 Bearing details
Series | 1900 |
---|---|
model | 1987-1931 |
Cone Part Number | 1987 |
Cup Part Number | 1931 |
Design Units | Imperial |
Cage Type | Stamped Steel |
Bearing Weight |
0.300 Kg 0.60 lb |
Dimensions | |
d - Bore |
26.975 mm 1.0620 in |
D - Cup Outer Diameter |
60.325 mm 2.3750 in |
B - Cone Width |
19.355 mm 0.7620 in |
C - Cup Width |
15.875 mm 0.6250 in |
T - Bearing Width |
19.355 mm 0.7620 in |
Abutment and Fillet Dimensions | |
R - Cone Backface "To Clear" Radius |
0.760 mm 0.03 in |
r - Cup Backface "To Clear" Radius |
1.27 mm 0.050 in |
da - Cone Frontface Backing Diameter |
31.50 mm 1.24 in |
db - Cone Backface Backing Diameter |
32.51 mm 1.28 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 |
0 mm 0 in |
a - Effective Center Location |
-5.80 mm -0.23 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) | 6.33 |
Cg - Geometry Factor | 0.0565 |
TIMKEN 1987-1931 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.