The NACHI HK0509 is a miniature size needle roller bearings with ISO dimensions 5×9×9 mm. Bearings in the 5mm 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 3 equivalent brands available under ISO designation HK0509.
NACHI HK0509
Needle Roller Bearings — 5×9×9 mm — ISO HK0509
Technical Specifications
Full specifications for NACHI HK0509 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO HK0509 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NACHI | HK0509 |
| iko | HK0509 |
| nsk | HK0509 |
| ntn | HK0509 |
| skf | HK0509 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NACHI HK0509
Quick answers to common questions.
Common Applications
Needle Roller Bearings with 5mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.
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