The NTN 51315 is a standard size thrust ball bearings with ISO dimensions 75×135×44 mm. Bearings in the 75mm bore range are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts. 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 — 4 equivalent brands available under ISO designation 51315.
NTN 51315
Thrust Ball Bearings — 75×135×44 mm — ISO 51315
Technical Specifications
Full specifications for NTN 51315 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 51315 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NTN | 51315 |
| fag | 51315 |
| nsk | 51315 |
| skf | 51315 |
| zvl | 51315 |
| nachi | 51315 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NTN 51315
Quick answers to common questions.
Common Applications
Thrust Ball Bearings with 75mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.
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