Torque Resistant Spline Shafts for SSP, SPF & SPR Ball Bushings
Induction hardened steel shafts for torque resistant ball bushings. Two levels of precision are available:
TYPE S
Type SP..S which is available in the sizes and lengths shown in the dimension list below. This is a ground bar with gothic arch proflies to accept the balls. Three pre-loads are available. None, Light (SuffixT1)& Medium(Suffix T2). Tolerance for twist is 13 microns per 100mm of shaft (standard) and 6 microns per 100mm of shaft (precision). Straightness values are given in the table below per 1000mm
TYPE C
Type SP..C which is available from 20mm to 50mm nominal diameters. This is a drawn shaft. To order this type use Part no SP --C x .... where "--" is the nominal diameter and "...." is the length in mm. Straightness tolerance is 1mm per 1000mm.Twist tolerance is 100 microns per 100mm of shaft.
| PART NO | d (h7) |
Maxc length |
Straightness microns/mt Standard |
Straightness microns/mt Precision |
None (Microns) |
Light (Microns) |
Medium (Microns) |
| SP06S | 6 |
400 |
160 |
110 |
-2/+1 |
-6/-2 |
not avail |
| SP08S | 8 |
500 |
160 |
110 |
-2/+1 |
-6/-2 |
not avail |
| SP10S | 10 |
630 |
100 |
65 |
-3/+1 |
-9/-3 |
not avail |
| SP14S | 13 |
630 |
75 |
50 |
-3/+1 |
-9/-3 |
13/-7 |
| SP16S | 16 |
630 |
75 |
50 |
-3/+1 |
-9/-3 |
13/-7 |
| SP20S | 18.2 |
2000 |
170 |
120 |
-3/+1 |
-9/-3 |
20/-12 |
| SP25S | 23 |
2000 |
170 |
120 |
-4/+2 |
-12/+4 |
20/-12 |
| SP30S | 28 |
2000 |
170 |
120 |
-4/+2 |
-12/+4 |
20/-12 |
| SP40S | 37.4 |
2000 |
120 |
80 |
-6/+3 |
-18/-6 |
-30/-18 |
| SP50S | 47 |
2000 |
120 |
80 |
-6/+3 |
-18/-6 |
-30/-18 |
| SP60S | 56.5 |
2000 |
90 |
60 |
-6/+3 |
-18/-6 |
-30/-18 |