Bearing Description

We supply high-quality and best service for SKF NNU 4921 BK/SPW33 bearing.SKF NNU 4921 BK/SPW33 bearings are widely used in motor, industrial machinery, CNC lathes, high-precision processing machine, locomotive industry,industrial drive, agriculture, compressors, motors and generators, construction and other fields.

This series bearing of SKF NNU 4921 BK/SPW33 bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. And SKF NNU 4921 BK/SPW33 bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine.

Bearing Packaging

1.industrial packing+industrial cartons+pallets
2.single brand box+brand cartons+pallets
3.follow customer's requests
A.Plastic Tubes or Single Boxes ( Usually 10pcs in one plastic tube for steel bearings);
B.Cartons ( No more than 30kg for one carton );
C. Pallet ( Usually more than 400kg totally will use pallet )
D. Delivery time :7-35 days ( by sea or by air )
Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.

Bearing Quality

PRODUCTION ： – Running in accordance with ISO 9001 quality system, the advanced production equipments, sophisticated processing technology, strict quality management system, skilled workers and innovative technical team, make our bearings in continuous quality improvement & technology development.
QUALITY CONTROL (Q/C) ：- In accordance with ISO standards, we have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality.

About Our Production

National Precision Bearing offers stainless steel for applications that require corrosion resistance.We have world class manufacuring facilities using latest technology, machines and equipments.

• √ Managerial concept: science and technology, quality and service and win-win results
• √ Core concepts: trust, market, learning and talents
• √ Targets: always to be the fresh air of the industry
• √ Mission of the employees: development, creativeness and honest corporation comes first
• √ Spirits of employees: creativeness, honesty and persistence
• √ Targets of employees: intelligence and win-win results
• √ Working style: seriousness, happiness and changeability

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