28,575 mm x 72,626 mm x 29,997 mm KOYO 3198/3120 Rolling of recorded rolls

KOYO 3198/3120 bearing Size Chart (mm/inches)
Series	385
Cone Part Number	388TD
Cup Part Number	383
Design Units	Imperial
Bearing Weight	3.5 lb
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in
d	2.2651 in
D	3.9370 in
B - Double Cone Width	2.0940 in
C - Cup Width	0.8268 in
T - Bearing Width across Cups	2.0195 in
R - Cone Frontface To Clear Radius1	0.030 in
r - Cup Backface To Clear Radius2	0.08 in
Db - Cup Backface Backing Diameter	3.50 in
Ab - Cage-Cone Frontface Clearance	0.11 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3	5010 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4	33600 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5	8720 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	3040 lbf
K - Factor7	1.65
e - ISO Factor8	0.35
Y1 - ISO Factor9	1.91
Y2 - ISO Factor10	2.84
Cg - Geometry Factor11	0.0859

Product Features