The NTN NK8/12 is a miniature size needle roller bearings with ISO dimensions 8×15×12 mm. Bearings in the 8mm bore range are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines. This is an open type, requires periodic lubrication, suitable for clean environments variant. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 3 equivalent brands available under ISO designation NK8/12.
NTN NK8/12
Needle Roller Bearings — 8×15×12 mm — ISO NK8/12
Technical Specifications
Full specifications for NTN NK8/12 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO NK8/12 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NTN | NK8/12 |
| iko | NK8/12 |
| nsk | NK8/12 |
| skf | NK8/12 |
| nachi | NK8/12 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NTN NK8/12
Quick answers to common questions.
Common Applications
Needle Roller Bearings with 8mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.
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