Timken JM612949 – JM612910V
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M612900
Cone Part Number
JM612949
Cup Part Number
JM612910V
Design Unit
Metric
Cage Material
Stamped Steel
Dimensions
d - Bore
70 mm
D - Cup Outer Diameter
115 mm
B - Cone Width
29.000 mm
C - Cup Width
23.000 mm
T - Bearing Width
29.000 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.050 mm
r - Cup Backface "To Clear" Radius2
2.54 mm
da - Cone Frontface Backing Diameter
77 mm
db - Cone Backface Backing Diameter
83 mm
Da - Cup Frontface Backing Diameter
110.00 mm
Db - Cup Backface Backing Diameter
103.12 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Aa - Cage-Cone Backface Clearance
0.5 mm
a - Effective Center Location3
-2.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
46100 N
C1 - Dynamic Radial Rating (1 million revolutions)5
178000 N
C0 - Static Radial Rating
198000 N
C6
33900 N
Factors
K - Factor7
1.36
e - ISO Factor8
0.43
Y - ISO Factor9
1.39
G1 - Heat Generation Factor (Roller-Raceway)
76.7
G2 - Heat Generation Factor (Rib-Roller End)
25.7
Cg - Geometry Factor10
0.112
