TIMKEN 31310 bearings

Part Number 31310, Tapered Roller Bearings - TS (Tapered Single) Metric

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Technical specification for TIMKEN 31310

Timken 31310
Dimensions
Part Number	31310
Series	31310M
Cone Part Number	X31310M
Cup Part Number	Y31310M
Design Unit	Metric
Bearing Weight	1.2 Kg 2.70 lb
Cage Material	Stamped Steel
d - Bore	50 mm 1.9685 in
D - Cup Outer Diameter	110 mm 4.3307 in
B - Cone Width	27.000 mm 1.0630 in
C - Cup Width	19.000 mm 0.7480 in
T - Bearing Width	29.250 mm 1.1516 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	2.54 mm 0.1 in
r - Cup Backface "To Clear" Radius	2.03 mm 0.08 in
da - Cone Frontface Backing Diameter	63 mm 2.48 in
db - Cone Backface Backing Diameter	75 mm 2.95 in
Da - Cup Frontface Backing Diameter	104.40 mm 4.12 in
Db - Cup Backface Backing Diameter	92.96 mm 3.66 in
Ab - Cage-Cone Frontface Clearance	4.6 mm 0.18 in
Aa - Cage-Cone Backface Clearance	4.3 mm 0.17 in
a - Effective Center Location	5.6 mm 0.22 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	38200 N 8590 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	147000 N 33100 lbf
C0 - Static Radial Rating	132000 N 29700 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	54000 N 12100 lbf
Factors
K - Factor	0.71
e - ISO Factor	0.83
Y - ISO Factor	0.73
G1 - Heat Generation Factor (Roller-Raceway)	37.1
G2 - Heat Generation Factor (Rib-Roller End)	14.7
Cg - Geometry Factor	0.069

Timken 31310, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 50 mm, Outer diameter: 110 mm, Bearing width: 29.250 mm.

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