|
| Shaft Diameter |
Bearing Type |
Dynamic Bearing Rating (N) |
Wear rating (N) |
| 20 |
6204 |
12700 |
0 |
| 25 |
6205 |
14000 |
28000 |
| 25 |
6305 |
22500 |
0 |
| 25 |
420205 |
0 |
0 |
| 30 |
6206 |
19500 |
0 |
| 30 |
6306 |
28100 |
0 |
| 30 |
420306 |
0 |
0 |
| 35 |
6307 |
33200 |
0 |
| 40 |
6308 |
41000 |
0 |
| 50 |
6310 |
61800 |
0 |
| 60 |
6312 |
81900 |
0 |
| |
| Usage
Factor |
| U(f)
Usage Factor |
Description |
| 1.0 |
24 hrs/day |
| 0.7 |
12 hrs/day |
| 0.5 |
6 hrs/day |
| |
| Seal efficiency Factor |
| (Sef) |
Description |
| 0.75 |
most efficient
sealing |
| 0.65 |
Hi-torque contact
seal |
| 0.6 |
Extended labyrinth
seal |
| 0.5 |
For shaft
deflection >0.004 radians (13.75 min.) |
| 0.4 |
Seals with grease churning action |
| |
| Environmental Factor |
| E (f) |
Description |
| 0.11 |
Conveyors
subjected to occassional flooding
and concentrated dusts-underground mines |
| 0.95 |
Conveyors
subjected to concentrated dust
and rainfall - plant conveyors |
| 0.77 |
Conveyors subjected
to natural countryside
and rainfall - overland conveyors |
