Timken 52387D – 52630X
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
52000
Cone Part Number
52387D
Cup Part Number
52630X
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
98.425 mm
D - Cup Outer Diameter
160 mm
B - Double Cone Width
79.375 mm
C - Cup Width
26.195 mm
T - Bearing Width across Cups
80.165 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.800 mm
r - Cup Backface "To Clear" Radius2
3.05 mm
da - Cone Frontface Backing Diameter
109 mm
Db - Cup Backface Backing Diameter
144.02 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
57900 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
389000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
101000 N
C6
47100 N
Factors
K - Factor7
1.23
e - ISO Factor8
0.47
Y1 - ISO Factor9
1.42
Y2 - ISO Factor10
2.12
Cg - Geometry Factor11
0.152
