Timken 30311
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
30311M
Cone Part Number
X30311M
Cup Part Number
Y30311M
Design Unit
Metric
Cage Material
Stamped Steel
Dimensions
d - Bore
55 mm
D - Cup Outer Diameter
120 mm
B - Cone Width
29.000 mm
C - Cup Width
25.000 mm
T - Bearing Width
31.500 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.540 mm
r - Cup Backface "To Clear" Radius2
2.03 mm
da - Cone Frontface Backing Diameter
67 mm
db - Cone Backface Backing Diameter
71 mm
Da - Cup Frontface Backing Diameter
114.00 mm
Db - Cup Backface Backing Diameter
107.95 mm
Ab - Cage-Cone Frontface Clearance
3.8 mm
Aa - Cage-Cone Backface Clearance
2 mm
a - Effective Center Location3
-6.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
45100 N
C1 - Dynamic Radial Rating (1 million revolutions)5
174000 N
C0 - Static Radial Rating
190000 N
C6
26600 N
Factors
K - Factor7
1.69
e - ISO Factor8
0.35
Y - ISO Factor9
1.74
G1 - Heat Generation Factor (Roller-Raceway)
62.8
G2 - Heat Generation Factor (Rib-Roller End)
24
Cg - Geometry Factor10
0.0628
