SKF · rolling bearings
SKF AN 21
Lock nuts — manufacturer technical reference and quotation support in Saudi Arabia.
لطلب عرض سعر في السعودية، أرسل رقم القطعة أو المقاس والكمية والمدينة. يُرجى تأكيد التوافق والتوفر والسعر مع فريقنا.
| Thread designation | 4.122-12 |
|---|---|
| Bore diameter | 104.699 mm |
| Outside diameter | 138.252 mm |
| Width | 19.304 mm |
| Locking device | Lock washer |
| Nut for hydraulic mounting | No |
| Associated mounting tool | HN 21-22 |
| Product net weight | 0.8 kg |
| eClass code | 23-11-07-05 |
| UNSPSC code | 31163218 |
| Dimensions · Thread diameter · (G) | 104.699 mm |
| Dimensions · Threads per inch | 12 |
| Dimensions · Diameter locating side face · (d_1) | 127 mm |
| Dimensions · Outside diameter · (d_3) · max. | 138.252 mm |
| Dimensions · Width · (B) | 19.304 mm |
| Dimensions · Width locating slot · (b) | 12.319 mm |
| Dimensions · Depth locating slot · (h) | 5.029 mm |
| Calculation data · Axial load carrying capacity, static | 280 kN |
| Mounting information · Associated spanner | HN 21-22 |
| Associated products · Locking device | W 21 |
Family specifications and selection conditions
| Product description | AN lock nuts are used to locate bearings onto a shaft. They have inch threads and four, equally spaced slots around their circumference to accommodate a spanner. They should be locked by a lock washer to prevent unintentional loosening. AN lock nuts can be reused, provided they are not damaged. |
|---|---|
| Manufacturer features | Simple, stable and reliable fastening element • Easy to install and remove • Reusable with a new locking device • Require a keyway in the shaft or adaptor sleeve thread |
Manufacturer references
Follow the complete manufacturer documentation for application restrictions, materials, tolerances and installation requirements. Limits may not apply simultaneously. We do not publish inferred stock, pricing or ratings.