Timken 31309
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
31309M
Cone Part Number
X31309M
Cup Part Number
Y31309M
Design Unit
Metric
Cage Material
Stamped Steel
Dimensions
d - Bore
45 mm
D - Cup Outer Diameter
100 mm
B - Cone Width
25.000 mm
C - Cup Width
18.000 mm
T - Bearing Width
27.250 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.030 mm
r - Cup Backface "To Clear" Radius2
1.52 mm
da - Cone Frontface Backing Diameter
56 mm
db - Cone Backface Backing Diameter
67 mm
Da - Cup Frontface Backing Diameter
95.5 mm
Db - Cup Backface Backing Diameter
85.00 mm
Ab - Cage-Cone Frontface Clearance
4.3 mm
Aa - Cage-Cone Backface Clearance
4.8 mm
a - Effective Center Location3
4.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
32500 N
C1 - Dynamic Radial Rating (1 million revolutions)5
125000 N
C0 - Static Radial Rating
113000 N
C6
45900 N
Factors
K - Factor7
0.71
e - ISO Factor8
0.83
Y - ISO Factor9
0.73
G1 - Heat Generation Factor (Roller-Raceway)
30.4
G2 - Heat Generation Factor (Rib-Roller End)
12.7
Cg - Geometry Factor10
0.1
