KOYO NAP207-21 bearing units - NTN PRECISION AXLE CORP.

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KOYO NAP207-21 bearing units Systems

Series:495
Cone Part Number:495-S
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:60500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:15700 lbf
d:2.8125 in
B - Cone Width:1.1720 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:3.23 in
db - Cone Backface Backing Diameter:3.46 in
Ab - Cage-Cone Frontface Clearance:0.12 in
Aa - Cage-Cone Backface Clearance:0.07 in
a - Effective Center Location4:-0.03 in
C90 - Dynamic Radial Rating (90 million revolutions)5:9000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:34700 lbf
C0 - Static Radial Rating:48600 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:6850 lbf
K - Factor8:1.31
G1 - Heat Generation Factor (Roller-Raceway):104.6
G2 - Heat Generation Factor (Rib-Roller End):29.3
Cg - Geometry Factor:0.125

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NTN PRECISION AXLE CORP.: Address475 Kimberly Drive, Carol Stream, Illinois U.S.A.; Phone(Working Time)630-690-6324; Fax

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Stock Categories

Technical Articles

angular contact ball bearings

complex bearings

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