The NSK 51103 is a small size thrust ball bearings with ISO dimensions 17×30×9 mm. Bearings in the 17mm bore range are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts. This is an open type, requires periodic lubrication, suitable for clean environments variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 4 equivalent brands available under ISO designation 51103.
NSK 51103
Thrust Ball Bearings — 17×30×9 mm — ISO 51103
Technical Specifications
Full specifications for NSK 51103 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 51103 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NSK | 51103 |
| fag | 51103 |
| ntn | 51103 |
| skf | 51103 |
| zvl | 51103 |
| nachi | 51103 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NSK 51103
Quick answers to common questions.
Common Applications
Thrust Ball Bearings with 17mm bore diameter are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts.
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