SKF - Rolling Bearings

Design and variants
Diagram 1
2
Grease life for Y-bearings with VT307 or GFJ grease
where load P = 0,05 C
Grease life L 10 [h]
100 000
70 000
50 000
30 000
20 000
n d m = 100 000
150 000
200 000
250 000
300 000
350 000
n d m = 20 000
50 000
10 000
7 000
5 000
3 000
2 000
1 000
40 50 60 70 80 90 100 110 120
(105) (120) (140) (160) (175) (195) (210) (230) (250)
Operating temperature [°C (°F)]
n = rotational speed [r/min]
d m = mean diameter [mm] † table 2
Diagram 2
Grease life for SKF Energy Efficient Y-bearings
where load P = 0,05 C
Grease life L 10 [h]
100 000
70 000
50 000
30 000
20 000
n d m = 100 000
150 000
200 000
250 000
300 000
350 000
n d m = 20 000
50 000
10 000
7 000
5 000
3 000
2 000
1 000
50 60 70 80 90 100 110 120
(120) (140) (160) (175) (195) (210) (230) (250)
Operating temperature [°C (°F)]
n = rotational speed [r/min]
d m = mean diameter [mm] † table 2
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