New Rexroth Directional Hydraulic Valve MNR R978906689 - Industrial Bearings Solutions

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New Rexroth Directional Hydraulic Valve MNR R978906689 Codes and sizes

Series:385
Cone Part Number:387A
Cup Part Number:384ED
Design Units:Imperial
Bearing Weight:3.1 lb
Cage Type:Stamped Steel
Ab - Cage-Cone Frontface Clearance:0.11 in
d:2.2500 in
D:3.9370 in
B - Cone Width:0.8640 in
C - Double Cup Width:1.5620 in
T - Bearing Width across Cones:1.9369 in
R - Cone Backface To Clear Radius1:0.14 in
r - Cup Frontface To Clear Radius2:0.03 in
db - Cone Backface Backing Diameter:2.76 in
Da - Cup Frontface Backing Diameter:3.68 in
Aa - Cage-Cone Backface Clearance:0.03 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3:6280 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:42200 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5:10900 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:3810 lbf
K - Factor7:1.65
e - ISO Factor8:0.35
Y1 - ISO Factor9:1.91
Y2 - ISO Factor10:2.84
G1 - Heat Generation Factor (Roller-Raceway)11:42
G2 - Heat Generation Factor (Rib-Roller End):15.7
Cg - Geometry Factor12:0.0859

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