45 Series slewing ring bearings
Eight-point contact double-row ball bearing: big loads, small footprint. Maximum load capacity in a small footprint.
- Eight-point contact, double-row ball design
- Plain, internally geared and externally geared versions
- Raceway diameters 18–170 in; other sizes on request
- Induction hardened raceways; geared versions available with induction hardened teeth
- Matching pinions available for all standard bearings
Capacities
| Thrust | to 6,500,000 lb |
|---|---|
| Moment | to 18,000,000 ft-lb |
| Radial | to 1,200,000 lb |
45 Series part numbers
| SlewPro part | Series | Gear | Raceway (mm) | OD (mm) | ID (mm) | Height (mm) | Weight (lb) | Crosses to |
|---|
New 45 Series designs are added often. Don't see your size? Tell us your application and we will design it, with no engineering charge. The mounting surface must conform to defined standards for flatness and strength; contact us for help sizing this bearing.
Storage, mounting, bolt torques, gear backlash, lubrication intervals and greases, inspection, and the warning signs to act on. Seven pages, checked by our manufacturing partners. It ships with every bearing.
Engineering guides
Practical articles from our engineers on specifying, installing and maintaining these parts.
Understanding Load Capacity and Axial Stiffness in Slewing Ring Bearings
Understanding the load capacity and axial stiffness of Slewing Ring Bearings are important when selecting and designing them for specific ap
Read the guide →Understanding Load Calculations: How to Choose the Right Slewing Ring for Your Application
Learn how to calculate axial, radial, and moment loads to choose the right slewing ring bearing for your application. Explore SlewPro’s cust
Read the guide →Slewing Ring Bearing Installation and Maintenance: A Practical Checklist
How to store, mount, bolt, check and maintain a slewing ring bearing: the steps that prevent early failure, in the order you do them.
Read the guide →Talk to an engineer
Need help selecting the right part? Our engineers will size it, cross it, and quote it — usually within 1–2 business days.
Not in the catalog? We design to your application, with no engineering charge.