NU 221 ECP Bearing 105x190x36mm

NU 221 ECP Bearing 105x190x36mm Size Chart (mm/inches)
Series	31500
Cone Part Number	31597
Cup Part Number	31520-B
Design Units	Imperial
Bearing Weight	2.1 lb
Cage Type	Stamped Steel
d	1.4375 in
D	3 in
D1 - Flange Outer Diameter	3.1836 in
B - Cone Width	1.1250 in
C - Cup Width	0.9375 in
C1 - Cup Flange Width	0.1875 in
T1 - Bearing Width	1.1563 in
T - Bearing Width to Flange	0.4063 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Backface To Clear Radius2	0.130 in
da - Cone Frontface Backing Diameter	1.75 in
db - Cone Backface Backing Diameter	2.01 in
Da - Cup Frontface Backing Diameter	2.94 in
Ab - Cage-Cone Frontface Clearance	0.08 in
Aa - Cage-Cone Backface Clearance	0.04 in
a - Effective Center Location3	-0.3 in
C90 - Dynamic Radial Rating (90 million revolutions)4	5520 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	21300 lbf
C0 - Static Radial Rating	24100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	3800 lbf
K - Factor7	1.45
e - ISO Factor8	0.4
Y - ISO Factor9	1.49
G1 - Heat Generation Factor (Roller-Raceway)10	26.3
G2 - Heat Generation Factor (Rib-Roller End)	9.08
Cg - Geometry Factor11	0.0773

Product Features