TIMKEN 31311 bearings

Part Number 31311, Tapered Roller Bearings - TS (Tapered Single) Metric

In stock

Technical specification for TIMKEN 31311

Timken 31311
Dimensions
Part Number	31311
Series	31311M
Cone Part Number	X31311M
Cup Part Number	Y31311M
Design Unit	Metric
Bearing Weight	1.6 Kg 3.5 lb
Cage Material	Stamped Steel
d - Bore	55 mm 2.1654 in
D - Cup Outer Diameter	120 mm 4.7244 in
B - Cone Width	29.000 mm 1.1417 in
C - Cup Width	21.000 mm 0.8268 in
T - Bearing Width	31.500 mm 1.2402 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	68 mm 2.68 in
db - Cone Backface Backing Diameter	82 mm 3.23 in
Da - Cup Frontface Backing Diameter	115.10 mm 4.56 in
Db - Cup Backface Backing Diameter	103.12 mm 4.06 in
Ab - Cage-Cone Frontface Clearance	4.3 mm 0.17 in
Aa - Cage-Cone Backface Clearance	3.8 mm 0.15 in
a - Effective Center Location	6.9 mm 0.27 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	44600 N 10000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	172000 N 38700 lbf
C0 - Static Radial Rating	157000 N 35300 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	63000 N 14200 lbf
Factors
K - Factor	0.71
e - ISO Factor	0.83
Y - ISO Factor	0.73
G1 - Heat Generation Factor (Roller-Raceway)	45.5
G2 - Heat Generation Factor (Rib-Roller End)	20
Cg - Geometry Factor	0.0739

Timken 31311, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 55 mm, Outer diameter: 120 mm, Bearing width: 31.500 mm.

Comments