56mm Solid Light Series 20 (Internal gear)
SIG 20 Series (Solid Section Internal Gear)
The SIG 20 Series rings have a constant height of 56mm across the diameter range and the rectangular cross section gives them improved torsional stiffness compared to the flanged bearings, with longer life being the main advantage.
These units are similar to the American KAYDON HS6-N series which feature imperial dimensions and American involute stub gears.
Within the QCB® range we offer
- The widest range (metric and inch sizes)
- Non standard drilling patterns
- Location diameters as standard
- Zinc plating, black oxide, painted or nylon coatings for corrosion protection
Full 56SLS20 Series datasheet HERE
INDIVIDUAL PDF FILES
SIG 486 20 SIG 616 20 SIG 716 20 SIG 816 20 SIG 916 20 SIG 1016 20
SIG 1166 20
Available on request
From 2014 all QCB®. geared slewing rings are made in 42CrMo4 steel for superior gear strength.
Usually supplied with 4 grease points in the outer ring only, DIN 71412A M8x1 equispaced.
Load and bolt limit curves
Bearings should operate within the prescribed triangular load area at all times. If a combination axial and radial load act on the slewing ring it should be converted to a single equivalent load for graphical analysis.
The bolt limit curve is based on the use of Grade 8.8 bolts. An improvement to this can be achieved by using Grade 10.9 bolts, but only after approval of the NBC Technical Department.
If the load is suspended, or the axis of rotation is not vertical, refer application details to email@example.com
Units: Y-Axis = moment load in KN.m; X-Axis = Axial load in KN
This information offers generally accepted interchange numbers. However, variations exist and all queries should be referred to our Technical Department for analysis. Dimensional equivalence does not always imply equal performance!
In the quest for continual product improvement this information subject to change without notice.
Contact the NBC Slewing ring experts on +44 (0)1952 222300, by fax on +44 (0)1952 242938 or e-mail firstname.lastname@example.org