Timken EE991251
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Cone Part Number
EE991251
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
4090000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
1060000 N
Dimensions
d - Cone Bore
317.500 mm
B - Cone Width
120.650 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
13.460 mm
da - Cone Frontface Backing Diameter
371 mm
db - Cone Backface Backing Diameter
394 mm
Ab - Cage-Cone Frontface Clearance
23.37 mm
Aa - Cage-Cone Backface Clearance
25.65 mm
a - Effective Center Location4
55.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
609000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
2350000 N
C0 - Static Radial Rating
3520000 N
C7
903000 N
Factors
K - Factor8
0.67
G1 - Heat Generation Factor (Roller-Raceway)
2353.6
G2 - Heat Generation Factor (Rib-Roller End)
161.7
Cg - Geometry Factor9
0.23
