SKF Bearing Adapter Sleeve 50mm, H 311

Adapter Sleeves are the most commonly used components for locating bearings with a tapered bore onto a cylindrical seating, as they can be used on smooth or stepped shafts.

Easy to mount and require no additional location on the shaft
When used on smooth shafts, the bearing can be located at any position on the shaft
When used on stepped shafts together with a stepped ring, bearings can be accurately positioned axially and bearing dismounting is also facilitated
SKF adapter sleeves are supplied complete with lock nut and locking device

lock nut and locking device

This SKF adapter sleeve ensures bearings fit your industrial machinery precisely. For convenient assembly, it lets you use tapered bearings with cylindrical seats, eliminating the need to modify your equipment. By working with both plain and stepped shafts, this versatile component is suitable for many standard applications. It comes with a locking device, so you can be sure of a firm connection that's protected against vibrations. As the sleeve supports mounting anywhere along plain shafts, it gives you the flexibility needed to suit your setup.

• Industry-standard M55 x 2 thread size for wide compatibility with common equipment
• Slides directly onto shafts for easy mounting
• Compact length of 45mm for installation on compact equipment
• Corrosion-resistant phosphate coating for durability in damp environments

• Electric motors
• Pumping systems
• Metalworking
• Construction industry

No, this adapter sleeve isn't suitable for sealed bearings. Sealed roller bearings need specially designed adapter sleeves to stop the locking device from interfering with the seal.

Plummer Blocks, Bearing Lubrication and Accessories