NKX Combined Needle Roller Bearings — Sizes & Specifications

The NKX series is a combined bearing: a radial needle roller bearing and a thrust ball bearing in one unit, carrying radial and axial load together in a compact envelope — used on machine-tool and gearbox shafts. BPK supplies NKX10 to NKX70 by bore, factory-direct from Yandian, Shandong, for importers, distributors and OEM buyers.
Standard sizes
| Model | Bore d (mm) | |
|---|---|---|
| NKX10 | 10 | Inquiry |
| NKX12 | 12 | Inquiry |
| NKX15 | 15 | Inquiry |
| NKX17 | 17 | Inquiry |
| NKX20 | 20 | Inquiry |
| NKX25 | 25 | Inquiry |
| NKX30 | 30 | Inquiry |
| NKX35 | 35 | Inquiry |
| NKX40 | 40 | Inquiry |
| NKX45 | 45 | Inquiry |
| NKX50 | 50 | Inquiry |
| NKX55 | 55 | Inquiry |
| NKX60 | 60 | Inquiry |
| NKX70 | 70 | 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
NKXR replaces the thrust ball section with thrust rollers for higher axial loads. Separate radial (NK, NA) and thrust (AXK) bearings are listed on the products page.
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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