NTN RNA4908LL/3AS Without Inner Ring

Our highly-skilled and factory-trained service experts have the resources to help Two Shields Accessories you with all your 20800 N Basic Dynamic Radial Load Rating C NTN RNA4908LL/3AS Without Inner Ring needs - including routine maintenance, 1.00 mm Fillet Radius ra major repairs, warranty service, and Without Inner Ring equipment inspections.

Brand Name: NTN
Model Number: RNA4908LL/3AS
Series: M38500
Cone Part Number: M38547
Cup Part Number: M38511
Design Units: Imperial
Bearing Weight: 0.30 Kg
Cage Type: Stamped Steel
d: 34.989 mm
D: 65.987 mm
PDF RNA4908LL/3AS

Product Details

Series M38500
Cone Part Number M38547
Cup Part Number M38511
Design Units Imperial
Bearing Weight 0.30 Kg
Cage Type Stamped Steel
d 34.989 mm
D 65.987 mm
B - Cone Width 20.638 mm
C - Cup Width 16.670 mm
B 20.638 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 2.29 mm
da - Cone Frontface Backing Diameter 40.39 mm
db - Cone Backface Backing Diameter 46.48 mm
Da - Cup Frontface Backing Diameter 62.00 mm
Db - Cup Backface Backing Diameter 57.91 mm
Ab - Cage-Cone Frontface Clearance 3.3 mm
Aa - Cage-Cone Backface Clearance -0.3 mm
a - Effective Center Location3 -5.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 3640 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 14000 lbf
C0 - Static Radial Rating 16400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 2200 lbf
K - Factor7 1.66
e - ISO Factor8 0.35
Y - ISO Factor9 1.7
G1 - Heat Generation Factor (Roller-Raceway) 20.3
G2 - Heat Generation Factor (Rib-Roller End) 11.8
Cg - Geometry Factor 0.068
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