ER Style Bearings
ER style bearings are insert bearings with an extended inner ring. They are specifically designed for mounting on shafts without using adapters, lock-nuts, or shoulders. They are popular in many applications due to their versatility, and cost effectiveness. The bearing is typically locked in place using setscrews (or a locking eccentric collar). The inner ring usually extends on both sides of the bearing to provide extra shaft support.
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AST’s ER Series insert bearings are typically used in applications in the following industries:
- Conveyor / conveyance
- Food and beverage processing
AST’s ER Series Insert Bearings are available in both metric and inch bore dimensions (Note: Both metric and inch bore series have "metric" outer diameters). They accommodate standard shaft sizes from 12 mm to 60 mm and 1/2” to 1-7/8” respectively.
Miniature Insert Bearings Available
If you required insert bearings for smaller shafts with inch dimensions from 3/16" up to 1/2", please check out our Collar Clamp Ball Bearings, which are essentially miniature insert ball bearings.
AST Bearings is proudly presenting our new certificates for both the NJ and CA locations: AST Bearings’ ISO 9001:2015 Certificates
To learn more about what the ISO 9001 standard is, the differences between the 2015 and 2008 versions, and how AST verifies customer satisfaction: Learn About AST Bearings’ certification to ISO 9001:2015
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