Quick Details

• Place of Origin:

  Jiangsu, China (Mainland)

• Packing:

  Roll or single box packing as you required

• Delivery Port:

  shanghai

• OE Experience:

  No

Product Name:Na4906rs Machined Sealed Needle Bearing

Na4906rs Machined Sealed Needle Bearing

Application

Universal

Product Description:

Machined sealed needle bearing:

1.Dimension series 49, lip seal on one side
2.With inner rings

Dimensions (metric)F30

With Inner Race & One Seal RSD47B17Dimensions (inch)b118Approx.
Wgt. lbs.260InterchangeFAGNA 4906 RSRINANA 4906 RSRSKF-TorringtonNA 4906 RS

Types of Designs:
This kind of bearing has multiple structural styles for the choice of customers, such as narrow & broad series, with or without inner races, cages, ribs or sealings. It can be designed according to the special structural requirements of customers as well.

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/T307.1
For 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 bearing
Limited 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.

Changzhou Yunfan Bearing Co., Ltd. (YFB) is a professional needle bearing manufacturer. Our company is located in Wujin High-Tech Industrial Zone, Changzhou, Jiangsu, China.

YFB has a high talented team, topping production equipment and perfect inspection instruments. ...[Read More]

Company Profile:

• Main Product:

  (We Sell): Machined type needle bearings,yoke type track rollers,stud type track rollers,combined needle bearings,trust needle bearings,drawn cup needle bearings,needle & cage assemblies,inner rings,non-standard bearings,bearing,needle bearing

• Business Type:

  Manufacturer

• Current Export Market:

  North America, South America, Western Europe, Eastern Europe