SKF hardened precision shaft LJM60 - 64 HRC | 12 - 80 mm
The SKF hardened precision shaft LJM is a solid shaft of high-quality hardened steel (CF53). this shaft can therefor withstand high pressures without deformation. The LJM has a hardness between 60 and 64 HRC (Rockwell Hardness Scale). The maximum sufrace roughness is Ra 0,3 μm. The LJM is machined to h6 or h7 tolerances.
The SKF hardened precision shaft LJM is available in sizes between 6 and 80 mm. For each size there are a dozen different modifications possible, to make sure that you get the right shaft. It is possible to modify these shaft tailer-made, based on your technical drawings. If you are unsure which modification is the most suitable, the differences are indicated below. If you are still in doubt you can always contact us on +31 (0)85 – 0661258.
Which SKF hardened precision shaft LJM do I need?
Cut with no chamfer only deburr.
Cut with chamfer.
Cut with machined 25° chamfer and 90° front surfaces for limited length tolerance or chamfer according to customer specification.
Cut with machined 25° chamfer, 90° front surfaces and one axial hole
Cut with machined 25° chamfer, 90° front surfaces and two axial holes
Cut with chamfer. Provided with radial holes for SKF shaft carrier LRCB
Cut with chamfer. Provided with radial holes to your specification.
Cut with chamfer. Mounted on SKF shaft carrier LRCB by default.
Cut with chamfer. Mounted on SKF shaft carrier LRCC by default.
The shaft is manufactured according to customer-specific drawing.
|SKF shaft size||Hardness dept|
|Tot 10 mm||0,5 mm|
|11 - 18 mm||0,8 mm|
|19 - 30 mm||1,2 mm|
|31 - 50 mm||1,5 mm|
|51 - 80 mm||2,2 mm|
|81 - 100 mm||3,0 mm|
SKF is the worldwide leader in the field of bearing technology. The company had acquired this positions thanks to the excellent quality and serviceability of its bearings. The company offers all kinds of bearings from a deep groove ball bearing to a cylindrical roller bearing and from a linear ball bearing to a linear shaft support block. With the purchase of a SKF bearing you are sure to have bought top quality.