Rollers
Spheric-Trafalgar can supply Needle Rollers and Cylindrical Rollers, which are normally manufactured from Chrome Steel, can be made in virtually any material, providing the quantity required is sufficient for production.
Size Range -
Needle Rollers: 1.5 x 4.5 - 8mm x 55mm
Cylindrical Rollers 2.5 x 5 - 50mm x 70mm
| Diameter Dw (mm) | Corner Chamfer r (mm) | ||
|---|---|---|---|
| Over | Up To | min. | max. |
| - | >3 | >0.1 | >0.4 |
| 3 | 5 | 0.1 | 0.6 |
| Length Lw (mm) | Tolerance ( mm) | ||
|---|---|---|---|
| Over | Up To | From | To |
| >- | >6 | >+0 | >-0.18 |
| 6 | 10 | +0 | -0.22 |
| 10 | 18 | +0 | -0.27 |
| 18 | 30 | +0 | -0.33 |
| 30 | 50 | +0 | -0.33 |
Dimensional and Geometrical Accuracy
| Quality Class or Grade | Deviations and Tolerances for diameter Dw | Roundness Tolerance (DIN 7184) (µm) | ||
|---|---|---|---|---|
| Deviation (mm) |
Tolerance of one sort (µm) |
Division of sorts Deviations (µm) |
||
| G2 | 0 - 10 | 2 | 0-2-1-3-2-4-3-5-4-6-5-7-6-8-7-9-8-10 | 0.8 |
| >G3 | >0 - 10 | >3 | >0-3-1.5-4.5-3-6-4.5-3-6-4.5-7.5-6-9-7-10 | >1.2 |
| G5 | 0 - 10 | 5 | 0-5-3-8-5-10 | |
Design by logologo
Spheric Trafalgar Ltd
Wiston Business Park
London Road
Ashington
West Sussex
RH20 3DJ
Tel : +44 (0)1903 891200
Fax : +44 (0)1903 891220
Spheric-Trafalgar (Thailand) Ltd
Eastern Seaboard Industrial Estate 170
Moo 4, Tambon Pluakdaeng
Amphur Pluakdaeng
Rayong 21140
Thailand
Tel : +66 (0)38 959 164
Fax : +66 (0)38 955 261
Spheric-Trafalgar Inc
9447 London Way
Suite 104
Rancho Cucamonga
California 91730
USA
Tel : +1 909 944 8424
Fax : +1 909 989 1957