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| NTN 6311-2ZN Bearing Details： |
| Bearing Name | 6311-2ZN |
| New Model | 6311-2ZN |
| Old Model | 250311 bearing |
| product Model | 6311-2ZN |
| Category | Deep Groove Ball Bearings |
| Brand | NTN Bearing |
| Inner Diameter d ( mm ) | 55 |
| Outer Diameter D ( mm ) | 120 |
| Thickness B ( mm ) | 29 |
|
| NTN 6311-2ZN Bearing Bearing Size and Drawing： |
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NTN 6311-2ZN Bearing With size alternative model
| Model | Inner Diameter
d(mm) | Outer Diameter
D(mm) | thickness
B(mm) | Brand | Type |
| NACHI 7311 AC Bearing | 55 | 120 | 29 | NACHI | Angular Contact Ball Bearings |
| NACHI 21311CC Bearing | 55 | 120 | 29 | NACHI | Spherical Roller Bearings |
| NACHI 6311 N Bearing | 55 | 120 | 29 | NACHI | Deep Groove Ball Bearings |
| STEYR 6311-Z Bearing | 55 | 120 | 29 | STEYR | Deep Groove Ball Bearings |
| TBS 1311 E TN9 Bearing | 55 | 120 | 29 | TBS | Self-aligning Ball Bearings |
| KOYO NF311 Bearing | 55 | 120 | 29 | KOYO | Cylindrical Roller Bearings |
| TBS NU 311 E CM* Bearing | 55 | 120 | 29 | TBS | Cylindrical Roller Bearings |
| NSK NSKBL311ZNR Bearing | 55 | 120 | 29 | NSK | Deep Groove Ball Bearings |
| STEYR 31311 Bearing | 55 | 120 | 29 | STEYR | Tapered Roller Bearings |
| TBS 1311 E K TN9 Bearing | 55 | 120 | 29 | TBS | Self-aligning Ball Bearings |
We export high quantities NTN 6311-2ZN Bearing and relative products, we have huge stocks for NTN 6311-2ZN Bearing and relative items, we supply high quality NTN 6311-2ZN Bearing with reasonbable price or we produce the bearings along with the technical data or relative drawings, It's priority to us to supply best service to our clients. If you are interested in NTN 6311-2ZN Bearing,plz email us
admin@tradebearings.com 
What are the advantages of the Deep Groove Ball Bearings design?
The inner and outer raceways are deep grooves, with point contact between the steel balls and the raceways, resulting in low friction and low heat generation. The structure is simple and compact, capable of withstanding combined radial and bidirectional axial loads, with high limiting speeds, low noise, and some compensation capability for installation angle deviations, facilitating high-precision mass production.
What are the advantages of Deep Groove Ball Bearings compared to similar products?
Compared to angular contact ball bearings, they can withstand bidirectional axial forces and do not require pairing; compared to cylindrical roller bearings, they can withstand axial loads and have higher speeds; compared to thrust ball bearings, they can simultaneously withstand radial forces. They offer balanced overall performance, achieving the optimal balance in cost, speed, load capacity, and ease of installation, making them the most versatile.
What are the applications and classic applications of Deep Groove Ball Bearings?
They are widely used in motors, automotive alternators and gearboxes, household appliances (washing machines, vacuum cleaners), water pumps, and precision transmission equipment. Classic applications include rotor supports for small and medium-sized motors, automotive alternators, air conditioning compressors, and roller-type moving parts, making them the most common type of bearing in rotating machinery.
