Product number:

21075/21212

Brand:

Product name:

bearing

Sizes:

19.05X54X23 KG.

Replacements:

21075/12

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21075/21212

Property name	Property value (imperial / metric)
Series	21000
Cone Part Number	21075
Cup Part Number	21212
Design Unit	Inch
Bearing Weight	0.5 lb / 0.2 Kg
Cage Material	Stamped Steel
d - Bore	0.7500 in / 19.05 mm
D - Cup Outer Diameter	2.125 in / 53.975 mm
B - Cone Width	0.8598 in / 21.839 mm
C - Cup Width	0.6250 in / 15.875 mm
T - Bearing Width	0.8750 in / 22.225 mm
R - Cone Backface "To Clear" Radius1	0.06 in / 1.5 mm
r - Cup Backface "To Clear" Radius2	0.090 in / 2.29 mm
da - Cone Frontface Backing Diameter	1.03 in / 26 mm
db - Cone Backface Backing Diameter	1.24 in / 31.5 mm
Da - Cup Frontface Backing Diameter	2.01 in / 51.05 mm
Db - Cup Backface Backing Diameter	1.69 in / 42.93 mm
Ab - Cage-Cone Frontface Clearance	0.09 in / 2.3 mm
Aa - Cage-Cone Backface Clearance	0.1 in / 2.5 mm
a - Effective Center Location3	-0.23 in / -5.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	3210 lbf / 14300 N
C1 - Dynamic Radial Rating (1 million revolutions)5	12400 lbf / 55100 N
C0 - Static Radial Rating	9560 lbf / 42500 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	3250 lbf / 14400 N
K - Factor7	0.99
e - ISO Factor8	0.59
Y - ISO Factor9	1.02
G1 - Heat Generation Factor (Roller-Raceway)	7
G2 - Heat Generation Factor (Rib-Roller End)	3.55
Cg - Geometry Factor10	0.0558