The NTN 51220 is a large size thrust ball bearings with ISO dimensions 100×150×38 mm. Bearings in the 100mm 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 51220.
NTN 51220
Thrust Ball Bearings — 100×150×38 mm — ISO 51220
Technical Specifications
Full specifications for NTN 51220 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 51220 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NTN | 51220 |
| fag | 51220 |
| nsk | 51220 |
| skf | 51220 |
| zvl | 51220 |
| nachi | 51220 |
* C/C₀ may vary ±5% across manufacturers.
FAQ — NTN 51220
Quick answers to common questions.
Common Applications
Thrust Ball Bearings with 100mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.
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