31320X
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Timken 31320X

Tapered Roller Bearings - TS (Tapered Single) Metric

(BRAND):TIMKEN
(Availability):In Stock

Specifications

Series 31320X
Cone Part Number X31320XM
Cup Part Number Y31320XM
Design Unit Metric
Cage Material Stamped Steel
Related Assembly Number(s) 31320XM-90KA2

Dimensions

d - Bore 100 mm
D - Cup Outer Diameter 215 mm
B - Cone Width 51 mm
C - Cup Width 35 mm
T - Bearing Width 56.5 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 4 mm
r - Cup Backface "To Clear" Radius2 3 mm
da - Cone Frontface Backing Diameter 122.9 mm
db - Cone Backface Backing Diameter 144 mm
Da - Cup Frontface Backing Diameter 202 mm
Db - Cup Backface Backing Diameter 183.9 mm
Ab - Cage-Cone Frontface Clearance 8.6 mm
Aa - Cage-Cone Backface Clearance 9.7 mm
a - Effective Center Location3 11.4 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 114000 N
C1 - Dynamic Radial Rating (1 million revolutions)5 441000 N
C0 - Static Radial Rating 526000 N
C6 161000 N

Factors

K - Factor7 0.71
e - ISO Factor8 0.83
Y - ISO Factor9 0.73
G1 - Heat Generation Factor (Roller-Raceway) 196.1
G2 - Heat Generation Factor (Rib-Roller End) 30.1
Cg - Geometry Factor10 0.12