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4T-HM212011 JAPAN NTN SPHERICAL ROLLER BEARINGS Systems

Series:475
Cone Part Number:484
Cup Part Number:472DC
Design Units:Imperial
Bearing Weight:6.31 lb
Cage Type:Stamped Steel
Ab - Cage-Cone Frontface Clearance:0.12 in
d:2.7559 in
D:4.7244 in
B - Cone Width:1.1420 in
C - Double Cup Width:2.125 in
T - Bearing Width across Cones:2.5625 in
R - Cone Backface To Clear Radius1:0.080 in
r - Cup Frontface To Clear Radius2:0.03 in
db - Cone Backface Backing Diameter:3.15 in
Da - Cup Frontface Backing Diameter:4.53 in
Aa - Cage-Cone Backface Clearance:0.04 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3:8360 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:56100 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5:14600 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:5500 lbf
K - Factor7:1.52
e - ISO Factor8:0.38
Y1 - ISO Factor9:1.75
Y2 - ISO Factor10:2.61
G1 - Heat Generation Factor (Roller-Raceway)11:77.2
G2 - Heat Generation Factor (Rib-Roller End):23
Cg - Geometry Factor12:0.108

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