Bearing NN3012ZTBKR NSK -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Bearing NN3012ZTBKR NSK image

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The details of Cylindrical Roller Bearing

Series:635
Cone Part Number:642
Cup Part Number:632D
Design Units:Imperial
Bearing Weight:12.79 lb
Cage Type:Stamped Steel
Ab - Cage-Cone Frontface Clearance:0.1 in
d:2.6875 in
D:5.3750 in
B - Cone Width:1.6250 in
C - Double Cup Width:3.0000 in
T - Bearing Width across Cones:3.75 in
R - Cone Backface To Clear Radius1:0.14 in
r - Cup Frontface To Clear Radius2:0.06 in
db - Cone Backface Backing Diameter:3.35 in
Da - Cup Frontface Backing Diameter:4.96 in
Aa - Cage-Cone Backface Clearance:0.15 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3:13600 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:91200 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5:23600 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:8420 lbf
K - Factor7:1.61
e - ISO Factor8:0.36
Y1 - ISO Factor9:1.86
Y2 - ISO Factor10:2.78
G1 - Heat Generation Factor (Roller-Raceway)11:106
G2 - Heat Generation Factor (Rib-Roller End):21
Cg - Geometry Factor12:0.0814

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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