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KOYO NJ308R cylindrical roller bearings - Industrial Bearing

  KOYO NJ308R cylindrical roller bearings

KOYO NJ308R cylindrical roller bearings pdf

Manufacturers of all are represented in our partial 655 Series list of clients. Contact Gary for a complete KOYO NJ308R cylindrical roller bearings list of clients and projects.

Series 655
Cone Part Number 655
Cup Part Number 652-B
Design Units Imperial
Bearing Weight 8.2 lb
Cage Type Stamped Steel
d 2.7500 in
D 6.0000 in
D1 – Flange Outer Diameter 6.2772 in
B – Cone Width 1.6250 in
C – Cup Width 1.2500 in
C1 – Cup Flange Width 0.2812 in
T1 – Bearing Width 1.625 in
T – Bearing Width to Flange 0.6562 in
R – Cone Backface To Clear Radius1 0.14 in
r – Cup Backface To Clear Radius2 0.130 in
da – Cone Frontface Backing Diameter 3.23 in
db – Cone Backface Backing Diameter 3.46 in
Da – Cup Frontface Backing Diameter 5.57 in
Ab – Cage-Cone Frontface Clearance 0.1 in
Aa – Cage-Cone Backface Clearance 0.17 in
a – Effective Center Location3 -0.31 in
C90 – Dynamic Radial Rating (90 million revolutions)4 14400 lbf
C1 – Dynamic Radial Rating (1 million revolutions)5 55500 lbf
C0 – Static Radial Rating 75300 lbf
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 10100 lbf
K – Factor7 1.43
e – ISO Factor8 0.41
Y – ISO Factor9 1.47
G1 – Heat Generation Factor (Roller-Raceway)10 137
G2 – Heat Generation Factor (Rib-Roller End) 27.3
Cg – Geometry Factor11 0.0919

      Detailed Parameters

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