TIMKEN LM12749-LM12711 Bearing

TIMKEN LM12749-LM12711 tapered roller bearings

Also known as : LM12749-LM12711

• Inside Diameter: 21.986 mm
• Outside Diameter: 45.974 mm
• Width: 15.494 mm
• Basic dynamic load rating: 38.6 kN
• Basic static load rating: 35.3 kN

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TIMKEN LM12749-LM12711 Bearing

Series	LM12700
model	LM12749-LM12711
Cone Part Number	LM12749
Cup Part Number	LM12711
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.100 Kg 0.30 lb
Dimensions
d - Bore	21.986 mm 0.8656 in
D - Cup Outer Diameter	45.974 mm 1.8100 in
B - Cone Width	16.637 mm 0.6550 in
C - Cup Width	12.065 mm 0.4750 in
T - Bearing Width	15.494 mm 0.6100 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.270 mm 0.050 in
r - Cup Backface "To Clear" Radius	1.27 mm 0.050 in
da - Cone Frontface Backing Diameter	25.91 mm 1.02 in
db - Cone Backface Backing Diameter	27.43 mm 1.08 in
Da - Cup Frontface Backing Diameter	42.93 mm 1.69 in
Db - Cup Backface Backing Diameter	39.88 mm 1.57 in
Ab - Cage-Cone Frontface Clearance	1 mm 0.04 in
Aa - Cage-Cone Backface Clearance	0.3 mm 0.01 in
a - Effective Center Location	-5.30 mm -0.21 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	10000 N 2250 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	38600 N 8680 lbf
C0 - Static Radial Rating	35300 N 7930 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)	5250 N 1180 lbf
Factors
K - Factor	1.91
e - ISO Factor	0.31
Y - ISO Factor	1.96
G1 - Heat Generation Factor (Roller-Raceway)	8.2
G2 - Heat Generation Factor (Rib-Roller End)	6.98
Cg - Geometry Factor	0.048

TIMKEN LM12749-LM12711 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.