NNU49/71 KOYO Double-row cylindrical roller bearings

Brand Name:KOYO
Model Number:NNU49/71
Series:LM48500
Cone Part Number:LM48549
Cup Part Number:LM48511A
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:34.925 mm
D:65.088 mm

Product Details

SeriesLM48500
Cone Part NumberLM48549
Cup Part NumberLM48511A
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d34.925 mm
D65.088 mm
B - Cone Width18.288 mm
C - Cup Width17.018 mm
B21.085 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter39.88 mm
db - Cone Backface Backing Diameter41.91 mm
Da - Cup Frontface Backing Diameter61.00 mm
Db - Cup Backface Backing Diameter57.91 mm
Ab - Cage-Cone Frontface Clearance2 mm
Aa - Cage-Cone Backface Clearance0.3 mm
a - Effective Center Location3-3.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)43760 lbf
C1 - Dynamic Radial Rating (1 million revolutions)514500 lbf
C0 - Static Radial Rating14200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62430 lbf
K - Factor71.55
e - ISO Factor80.38
Y - ISO Factor91.59
G1 - Heat Generation Factor (Roller-Raceway)18
G2 - Heat Generation Factor (Rib-Roller End)10.6
Cg - Geometry Factor0.0666
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Company Profile

Phone 409-782-6227
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