Timken EE128112
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
128000
Cone Part Number
EE128112
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
1510000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
392000 N
Dimensions
d - Cone Bore
279.999 mm
B - Cone Width
67.673 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
6.4 mm
da - Cone Frontface Backing Diameter
307 mm
db - Cone Backface Backing Diameter
308 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
7.4 mm
a - Effective Center Location4
6.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
225000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
868000 N
C0 - Static Radial Rating
1660000 N
C7
149000 N
Factors
K - Factor8
1.51
G1 - Heat Generation Factor (Roller-Raceway)
1622.7
G2 - Heat Generation Factor (Rib-Roller End)
240.4
Cg - Geometry Factor9
0.159
