Rexnord recently released a newly-designed, single-piece Centrik-Lok Collar (ER-K) for all 32 sizes of its Link-Belt ER Style Ball Bearings, which will now accommodate an even broader customer base and expand its use in hundreds of applications.
This smaller, single-piece collar will fit into even more applications that use ER style bearings, allowing the product to be available to a larger market. With eight slots, it maintains the same clamping force, while fitting more easily into additional processes and applications. Common applications requiring the Centrik-Lok Collar have included farming, road construction, lumber, printing, and general conveying applications.
The new single-piece Centrik-Lok Collar allows the collar’s outer diameter to be smaller by 0.55-0.85 inches and eliminate interference issues with installation. Except for the collar, the rest of the Rexnord ER-K bearing and its dimensions remain the same, including the unique eight-slot inner rings and the length through bore.
Rexnord first introduced the original Centrik-Lok Collar in 2011, with a design that featured a unique eight-slot design and a two-piece locking collar. According to Gengler, this product not only allowed for easier installation, but with eight slots instead of six, ranks among the highest shaft clamping force in the industry. The positive reception this product received from the industry spurred the rollout of the Centrik-Lok Collar on all Rexnord Bearing products, including pillow block, flange ball blocks, and ER bearings.