Timken 4A
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Cone Part Number
4A
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
35300 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
9140 N
Dimensions
d - Cone Bore
19.05 mm
B - Cone Width
11.908 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.520 mm
da - Cone Frontface Backing Diameter
23.5 mm
db - Cone Backface Backing Diameter
25.5 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location4
-1.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
5250 N
C1 - Dynamic Radial Rating (1 million revolutions)6
20300 N
C0 - Static Radial Rating
20600 N
C7
4310 N
Factors
K - Factor8
1.22
G1 - Heat Generation Factor (Roller-Raceway)
4.6
G2 - Heat Generation Factor (Rib-Roller End)
2.6
Cg - Geometry Factor9
0.0456
