SIGMA N 2308 cylindrical roller bearings

170 3700 Series Million used SIGMA N 2308 cylindrical roller bearings instantly searchable. Shop our large selection of parts based on brand, price, description, and location. Order the with stock …

Series	3700
Cone Part Number	3778
Cup Part Number	3729D
Design Units	Imperial
Bearing Weight	4.13 lb
Cage Type	Stamped Steel
Ab – Cage-Cone Frontface Clearance	0.06 in
d	1.8750 in
D	3.6718 in
B – Cone Width	1.1930 in
C – Double Cup Width	2.0625 in
T – Bearing Width across Cones	2.5625 in
R – Cone Backface To Clear Radius1	0.25 in
r – Cup Frontface To Clear Radius2	0.03 in
db – Cone Backface Backing Diameter	2.64 in
Da – Cup Frontface Backing Diameter	3.50 in
Aa – Cage-Cone Backface Clearance	0.06 in
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3	7120 lbf
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4	47800 lbf
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5	12400 lbf
Ca90 – Dynamic Thrust Rating (90 million revolutions)6	4120 lbf
K – Factor7	1.73
e – ISO Factor8	0.34
Y1 – ISO Factor9	1.99
Y2 – ISO Factor10	2.97
G1 – Heat Generation Factor (Roller-Raceway)11	49.9
G2 – Heat Generation Factor (Rib-Roller End)	14.5
Cg – Geometry Factor12	0.0903

Detailed Parameters

parameter：

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