GEH-5304A
13
Table 3
Bearing Life at 1750 RPM Average S peed Vs. Load, W
(For other average speeds, mult ipl y li fe by life factor )
Less Than
Speed 500 650 850 1150 1500 2000 2500 3000 4000 5000
Life Factor 2.15 1.83 1.55 1.29 1.10 .92 .80 . 72 . 60 .55
Description
Shaft Shaft
Curve Bearing Diameter Material
1 Standard
Ball
(309)
Standard (1 -5 /8) Standard
2 Oversize
Ball
(310)
Oversize (1-7/8) Standard
3 Oversize
Roller
(310)
Oversize (1-7/8) Specia l
Frame Sizes
CD25 12AT and CD2513AT
Frame Sizes
CD2812AT an d CD2813AT
Description
Shaft Shaft
Curve Bearing Diameter Material
1 Standard
Ball
(310)
Standard (1 -7 /8) Standard
2 Oversize
Ball
(311)
Oversize (2-1/8) Standard
3 Oversize
Roller
(311)
Oversize (2-1/8) Specia l