NTN 387A services Tapered Roller Bearings

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NTN 387A services Tapered Roller Bearings image

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NTN 387A services Tapered Roller Bearings Product Features

Series:25500
Cone Part Number:25592
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:35400 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:9180 lbf
d:1.8125 in
B - Cone Width:1.0000 in
R - Cone Backface To Clear Radius3:0.14 in
da - Cone Frontface Backing Diameter:2.05 in
db - Cone Backface Backing Diameter:2.28 in
Ab - Cage-Cone Frontface Clearance:0.06 in
Aa - Cage-Cone Backface Clearance:0.01 in
a - Effective Center Location4:-0.25 in
C90 - Dynamic Radial Rating (90 million revolutions)5:5270 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:20300 lbf
C0 - Static Radial Rating:24900 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:3020 lbf
K - Factor8:1.74
G1 - Heat Generation Factor (Roller-Raceway):35.2
G2 - Heat Generation Factor (Rib-Roller End):14.3
Cg - Geometry Factor:0.0801

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