7911A5

7911A5
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 7911A5
Arrangement DB (back-to-back arrangement)
DF (face-to-face arrangement)
DT (tandem arrangement)
Bore Dia (d) 55 mm
Bore Dia Tolerance -0.007mm to 0
Outer Dia (D) 80 mm
Outer Dia Tolerance -0.007mm to 0
Width (B) 13 mm
Width Tolerance -0.15mm 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) 19
Static Load Rating (Cor) (KN) 16.8
Axial Load (KN) 12.5
Max Speed (Grease) (RPM) 14900
Max Speed (Oil) (RPM)  22300
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) 0.184
RoHS Compliant
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