100 Series slewing ring bearings
Triple-roller bearing with our highest capacity. Multipart rings and rollers give the highest stiffness and capacity for heavy-duty applications.
- Three-row roller design
- Plain, internally geared and externally geared versions
- Raceway diameters 12–180 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 23,000,000 lb |
|---|---|
| Moment | to 61,000,000 ft-lb |
| Radial | to 2,500,000 lb |
100 Series part numbers
| SlewPro part | Series | Gear | Raceway (mm) | OD (mm) | ID (mm) | Height (mm) | Weight (lb) | Crosses to |
|---|
New 100 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.
Engineering guides
Practical articles from our engineers on specifying, installing and maintaining these parts.
When to Use a Triple Row Roller Slewing Ring Bearing: A Guide for Heavy-Duty Applications
Learn when and why to choose a triple row roller slewing ring bearing. Discover its benefits, top use cases, and key considerations for heav
Read the guide →The Hidden Cost of Over-Speccing: Why a Triple Row Roller Might Be Costing You
Discover the hidden costs of over-specifying slewing bearings. Learn when triple row roller bearings waste money and why lighter alternativ
Read the guide →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 →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.