Timken 3781
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
3700
Cone Part Number
3781
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
213000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
55100 N
Dimensions
d - Cone Bore
49.213 mm
B - Cone Width
30.302 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
56 mm
db - Cone Backface Backing Diameter
62 mm
Ab - Cage-Cone Frontface Clearance
1.5 mm
Aa - Cage-Cone Backface Clearance
1.5 mm
a - Effective Center Location4
-8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
31700 N
C1 - Dynamic Radial Rating (1 million revolutions)6
122000 N
C0 - Static Radial Rating
153000 N
C7
18300 N
Factors
K - Factor8
1.73
G1 - Heat Generation Factor (Roller-Raceway)
49.9
G2 - Heat Generation Factor (Rib-Roller End)
14.5
Cg - Geometry Factor9
0.0903
