KOYO B-2610;PDL001 Needle Non Thrust Roller Bearings

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KOYO B-2610;PDL001 Needle Non Thrust Roller Bearings image

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KOYO B-2610;PDL001 Needle Non Thrust Roller Bearings Codes and sizes

Series:78000
Cone Part Number:78251D
Cup Part Number:78571
Design Units:Imperial
Bearing Weight:10.8 lb
Cage Type:Stamped Steel
Aa - Cage-Cone Backface Clearance:0 in
d:2.5000 in
D:5.7080 in
B - Double Cone Width:2.5980 in
C - Cup Width:0.9058 in
T - Bearing Width across Cups:2.5616 in
R - Cone Frontface To Clear Radius1:0.090 in
r - Cup Backface To Clear Radius2:0.140 in
da - Cone Frontface Backing Diameter:3.11 in
Db - Cup Backface Backing Diameter:4.65 in
Ab - Cage-Cone Frontface Clearance:0.08 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3:9970 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:66900 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5:17400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:14800 lbf
K - Factor7:0.67
e - ISO Factor8:0.87
Y1 - ISO Factor9:0.78
Y2 - ISO Factor10:1.16
G1 - Heat Generation Factor (Roller-Raceway)11:62.6
G2 - Heat Generation Factor (Rib-Roller End):19.1
Cg - Geometry Factor12:0.0884

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