TIMKEN MSM280BR Roller Bearings

Series:	34000
Cone Part Number:	34301
Cup Part Number:	34478D
Design Units:	Imperial
Bearing Weight:	4.18 lb
Cage Type:	Stamped Steel
Ab - Cage-Cone Frontface Clearance:	0.1 in
d:	3 in
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Product Details

Series	34000
Cone Part Number	34301
Cup Part Number	34478D
Design Units	Imperial
Bearing Weight	4.18 lb
Cage Type	Stamped Steel
Ab - Cage-Cone Frontface Clearance	0.1 in
d	3 in
D	4.7812 in
B - Cone Width	0.9060 in
C - Double Cup Width	1.5000 in
T - Bearing Width across Cones	2.0625 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Frontface To Clear Radius2	0.03 in
db - Cone Backface Backing Diameter	3.5 in
Da - Cup Frontface Backing Diameter	4.60 in
Aa - Cage-Cone Backface Clearance	0.09 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3	5960 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4	40000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5	10400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	4600 lbf
K - Factor7	1.3
e - ISO Factor8	0.45
Y1 - ISO Factor9	1.5
Y2 - ISO Factor10	2.23
G1 - Heat Generation Factor (Roller-Raceway)11	69.3
G2 - Heat Generation Factor (Rib-Roller End)	27
Cg - Geometry Factor12	0.109