The NTN 51218 is a large size thrust ball bearings with ISO dimensions 90×135×35 mm. Bearings in the 90mm 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 51218.
NTN 51218
Thrust Ball Bearings — 90×135×35 mm — ISO 51218
Technical Specifications
Full specifications for NTN 51218 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 51218 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NTN | 51218 |
| fag | 51218 |
| nsk | 51218 |
| skf | 51218 |
| zvl | 51218 |
| nachi | 51218 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NTN 51218
Quick answers to common questions.
Common Applications
Thrust Ball Bearings with 90mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.
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