TIMKEN 31307 bearings

Part Number 31307, Tapered Roller Bearings - TS (Tapered Single) Metric

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Technical specification for TIMKEN 31307

Timken 31307
Dimensions
Part Number	31307
Series	31307
Cone Part Number	X31307
Cup Part Number	Y31307
Design Unit	Metric
Bearing Weight	0.5 Kg 1.2 lb
Cage Material	Stamped Steel
d - Bore	35 mm 1.3780 in
D - Cup Outer Diameter	80 mm 3.1496 in
B - Cone Width	21.000 mm 0.8268 in
C - Cup Width	15.000 mm 0.5906 in
T - Bearing Width	22.750 mm 0.8957 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	2.030 mm 0.08 in
r - Cup Backface "To Clear" Radius	1.52 mm 0.06 in
da - Cone Frontface Backing Diameter	45 mm 1.77 in
db - Cone Backface Backing Diameter	56 mm 2.2 in
Da - Cup Frontface Backing Diameter	76.96 mm 3.03 in
Db - Cup Backface Backing Diameter	68.07 mm 2.68 in
Ab - Cage-Cone Frontface Clearance	3.6 mm 0.14 in
Aa - Cage-Cone Backface Clearance	2.5 mm 0.1 in
a - Effective Center Location	3.3 mm 0.13 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	22400 N 5030 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	86300 N 19400 lbf
C0 - Static Radial Rating	74800 N 16800 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	31600 N 7110 lbf
Factors
K - Factor	0.71
e - ISO Factor	0.83
Y - ISO Factor	0.73
G1 - Heat Generation Factor (Roller-Raceway)	17.8
G2 - Heat Generation Factor (Rib-Roller End)	8.7
Cg - Geometry Factor	0.0839

Timken 31307, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 35 mm, Outer diameter: 80 mm, Bearing width: 22.750 mm.

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