3R8-122N1A Rotek Slewing Ring Bearings

Brand Name:Rotek
Model Number:3R8-122N1A
Series:385
Cone Part Number:385
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:42200 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:10900 lbf
d:2.1654 in
B - Cone Width:0.8640 in

Product Details

Series385
Cone Part Number385
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)142200 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)210900 lbf
d2.1654 in
B - Cone Width0.8640 in
R - Cone Backface To Clear Radius30.09 in
da - Cone Frontface Backing Diameter2.4 in
db - Cone Backface Backing Diameter2.56 in
Ab - Cage-Cone Frontface Clearance0.11 in
Aa - Cage-Cone Backface Clearance0.03 in
a - Effective Center Location4-0.12 in
C90 - Dynamic Radial Rating (90 million revolutions)56280 lbf
C1 - Dynamic Radial Rating (1 million revolutions)624200 lbf
C0 - Static Radial Rating24100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)73810 lbf
K - Factor81.65
G1 - Heat Generation Factor (Roller-Raceway)42
G2 - Heat Generation Factor (Rib-Roller End)15.7
Cg - Geometry Factor0.0859
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Company Profile

Phone +1-853-836-7765
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