Timken 72212
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
72000
Cone Part Number
72212
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
287000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
74500 N
Dimensions
d - Cone Bore
53.975 mm
B - Cone Width
32.791 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
65.8 mm
db - Cone Backface Backing Diameter
77 mm
Ab - Cage-Cone Frontface Clearance
5.1 mm
Aa - Cage-Cone Backface Clearance
4.6 mm
a - Effective Center Location4
1.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
42800 N
C1 - Dynamic Radial Rating (1 million revolutions)6
165000 N
C0 - Static Radial Rating
175000 N
C7
54000 N
Factors
K - Factor8
0.79
G1 - Heat Generation Factor (Roller-Raceway)
47.7
G2 - Heat Generation Factor (Rib-Roller End)
14.1
Cg - Geometry Factor9
0.0772
