7921A5

7921A5
Bearing Type Ball
For Load Direction Combined Radial and Thrust
Construction One
Single Row/Double Row Single
Seal Type Open
Precision Rating P4 (ABEC-7)
Contact Angle 25
Part Number 7921A5
Arrangement DB (back-to-back arrangement)
DF (face-to-face arrangement)
DT (tandem arrangement)
Bore Dia (d) 105 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia (D) 145 mm
Outer Dia Tolerance -0.009mm to 0
Width (B) 20 mm
Width Tolerance -0.2mm to 0
Ring Material 52100 Chrome steel
Ball Material SN24 Ceraimc Ball Si3N4
Cage Material TYN (ball guided polyamide resin cage)
TR (outer ring guided polyamide resin cage)
Dynamic Load Rating (Cr) (KN) 50.5
Static Load Rating (Cor) (KN) 54
Axial Load (KN) 41
Max Speed (Grease) (RPM) 8000
Max Speed (Oil) (RPM)  12000
Preload EL (extra light preload)
L (light preload)
M (medium preload)
H (heavy preload)
CP (special preload)
CA (special axial clearance)
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -40 to 120 ºC
Weight (grams) 0.82
RoHS Compliant
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