- Needle Bearings[10]
- Deep Groove Ball Bearings[10]
- Cylindrical Roller Bearings[10]
- Thrust Ball Bearings[7]
- Thrust Roller Bearings[8]
- Taper Roller Bearings[7]
- Self-aligning Ball Bearings[7]
- Spherical Roller Bearings[10]
- Angular Contact Ball Bearings[7]
- Ceramic Ball Bearing[7]
- Rod End Bearings[4]
- Linear Bearings[7]
- Pillow Block Bearings[7]
- Ball Screws[4]
- Contact Person : Ms. Wang Lisa
- Company Name : Suzhou Run Hui Bearing Co., Ltd.
- Tel : 86-0635-2415321
- Fax : 86-0635-2415321
- Address : ,Suzhou,Room 1904 , Tong Jing Business Plaza, Jiefang East Road, Canglang district, Suzhou
- Country/Region : China
- Zip : 215000
NA4901 High Precision Needle Bearing Good service
NA4901 High Precision Needle Bearing Good service
Product Precision Accuracy:Dimensional tolerance and geometrical accuracy is based on GB/T5801.Mutual difference of needle roller diameter is 2μm, and the precision grade is G2 (ISO GB309).The diameter of inscribed circle conforms to tolerance grade F6 before the fitting of outer ring with cage and roller assembly.Bearing radial running clearance conforms to the value defined by 0 group of GB/T4604.Special precision grade is based on GB/T307.1For fuller information on the special requirements of bearing running clearance, inscribed circle and precision grade, please contact this company.Materials:Material for needle roller is GCr15 bearing steel, quench-hardening HRC60---65.Material for inner and outer races is GCr15 bearing steel, quench-hardening HRC61---65.Material for cages is quality low-carbon steel or reinforced nylon.Special Directions:Bearing running clearance and inner-cutting roundness should be regulated according to different conditions.Machine tools should be used for press-in fitting or thermal fitting of the bearingLimited by plastic cages (suffixed with TN) and sealing-element material, operating temperature is -300C---+1000C.For general-disposition design of bearings, refer to the relevant recommendation in the applied technology of rolling bearings.
NA4901 High Precision Needle Bearing Good service
