50 Series slewing ring bearings
Cross-roller bearing with high dynamic capacity. High dynamic capacity in a compact size for specialized applications.
- Single-row cross roller design
- Plain, internally geared and externally geared versions
- Raceway diameters 10–180 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 4,600,000 lb |
|---|---|
| Moment | to 16,000,000 ft-lb |
| Radial | to 2,200,000 lb |
50 Series part numbers
| SlewPro part | Series | Gear | Raceway (mm) | OD (mm) | ID (mm) | Height (mm) | Weight (lb) | Crosses to |
|---|
New 50 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.
Cross Roller Slewing Rings: Combined-Load Capacity for Demanding Industrial Rotation
Cranes, offshore equipment, solar trackers, and radar and antenna pedestals need thrust, radial, and overturning-moment capacity with high r
Read the guide →Single Row Ball vs. Cross Roller Slewing Ring Bearings: How to Choose
How single-row ball and crossed-roller slewing ring bearings differ in load capacity, stiffness, accuracy and cost, where each fits, and the
Read the guide →5 Ways Engineers Misapply Cross Roller Bearings (And How to Avoid Them)
Cross roller bearings deliver exceptional stiffness and accuracy — but only when installed and integrated correctly. These five common engin
Read the guide →"Just Give Me the Closest Cross Roller" — And Why That Mindset Costs You
Cross roller slewing bearings exist because precision is the requirement. Specifying by "closest match" undermines the performance that just
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.