CKA One-Way Bearings — Sizes & Specifications
The CKA series is a one-way freewheel bearing for indexing, backstop and overrunning duty in conveyors, packaging machinery and drives. The table lists the representative bore sizes we handle regularly. BPK supplies the CKA series factory-direct from Yandian, Shandong, for importers, distributors and OEM buyers.
Standard sizes
| Model | Bore d (mm) | |
|---|---|---|
| CKA12 | 12 | Inquiry |
| CKA15 | 15 | Inquiry |
| CKA20 | 20 | Inquiry |
| CKA25 | 25 | Inquiry |
| CKA30 | 30 | Inquiry |
| CKA35 | 35 | Inquiry |
| CKA40 | 40 | Inquiry |
| CKA50 | 50 | Inquiry |
| CKA60 | 60 | Inquiry |
Model notation identifies a family, not a fixed size. Please confirm bore diameter, outer diameter, overall length, mounting, sealing, material, and load requirements with your drawing.
Every model above links straight to the inquiry form with the model prefilled — send your quantity and destination, and we prepare the quotation.
Options & matching parts
CSK covers the ball-bearing-size freewheel range; ASNU, NFS and TFS cover larger freewheel units. Send your shaft and housing sizes and we confirm the full specification before quoting.
Ordering from BPK
Samples first if you need to check fit and quality; bulk and OEM orders (your logo, your box) supported. MOQ from 1 piece on standard sizes.
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