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Timken 31317

Tapered Roller Bearings - TS (Tapered Single) Metric

(BRAND):TIMKEN
(Availability):In Stock

Specifications

Series 31317
Cone Part Number X31317M
Cup Part Number Y31317M
Design Unit Metric
Cage Material Stamped Steel
Related Assembly Number(s) 31317-9X241

Dimensions

d - Bore 85 mm
D - Cup Outer Diameter 180 mm
B - Cone Width 41 mm
C - Cup Width 28 mm
T - Bearing Width 44.5 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 110 mm
db - Cone Backface Backing Diameter 120 mm
Da - Cup Frontface Backing Diameter 169 mm
Db - Cup Backface Backing Diameter 154 mm
Ab - Cage-Cone Frontface Clearance 5.6 mm
Aa - Cage-Cone Backface Clearance 8.1 mm
a - Effective Center Location3 11.9 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 79900 N
C1 - Dynamic Radial Rating (1 million revolutions)5 308000 N
C0 - Static Radial Rating 366000 N
C6 113000 N

Factors

K - Factor7 0.71
e - ISO Factor8 0.83
Y - ISO Factor9 0.73
G1 - Heat Generation Factor (Roller-Raceway) 145.7
G2 - Heat Generation Factor (Rib-Roller End) 31.3
Cg - Geometry Factor10 0.109