NTN KV78X86X47.8ZW Needle Roller Bearings - Wnl Trading Corporation

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NTN KV78X86X47.8ZW Needle Roller Bearings Specifications

Series:42600
Cone Part Number:42687
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:63100 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:16300 lbf
d:3 in
B - Cone Width:1.2205 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:3.31 in
db - Cone Backface Backing Diameter:3.54 in
Ab - Cage-Cone Frontface Clearance:0.06 in
Aa - Cage-Cone Backface Clearance:0.12 in
a - Effective Center Location4:-0.11 in
C90 - Dynamic Radial Rating (90 million revolutions)5:9390 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:36200 lbf
C0 - Static Radial Rating:49800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:6730 lbf
K - Factor8:1.39
G1 - Heat Generation Factor (Roller-Raceway):96.2
G2 - Heat Generation Factor (Rib-Roller End):28.6
Cg - Geometry Factor:0.120

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