Timken 31313
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
31313M
Cone Part Number
X31313M
Cup Part Number
Y31313M
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
31313-9X026
Dimensions
d - Bore
65 mm
D - Cup Outer Diameter
140 mm
B - Cone Width
33.000 mm
C - Cup Width
23.000 mm
T - Bearing Width
36 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
80 mm
db - Cone Backface Backing Diameter
96 mm
Da - Cup Frontface Backing Diameter
133.10 mm
Db - Cup Backface Backing Diameter
119.89 mm
Ab - Cage-Cone Frontface Clearance
5.3 mm
Aa - Cage-Cone Backface Clearance
5.3 mm
a - Effective Center Location3
8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
55100 N
C1 - Dynamic Radial Rating (1 million revolutions)5
212000 N
C0 - Static Radial Rating
217000 N
C6
77800 N
Factors
K - Factor7
0.71
e - ISO Factor8
0.83
Y - ISO Factor9
0.73
G1 - Heat Generation Factor (Roller-Raceway)
67.1
G2 - Heat Generation Factor (Rib-Roller End)
22.2
Cg - Geometry Factor10
0.0839
