High Speed Full Complement Roller Bearing for Machine Tools Brass Cage NSK NN3021MBKRE44CC1P4

Brass Cage NSK NN3021MBKRE44CC1P4 High Speed Spindle Bearing for Machine Tools

1. Specification:

(1) Bearing No.: NN3021MBKRE44CC1P4

(2) Type:Double-row cylindrical roller bearing with triple-ribbed inner ring

(3) Cage type:roller guide synthetic resin cage;operational temperature limit=220oC

(4) Radial clearance:

CC1: standard clearance for cylindrical bore

CC0: standard clearance for tapered bore

CCG: special radial clearance

2. Feature:

(1) Double row

(2) Brass cage

(3) chrome steel material

(4) Standard clearance for cylindrical bore

(5) 1 year's quality guarantee

3. Type of cylindrical roller bearing

a. single row cylindrical roller bearings, cage, mainly of the NU,NJ,NUP, and N designs.

b. double row cylindrical roller bearings, caged, mainly of the NNU and NN designs.

c. multi-row cylindrical roller bearings, caged.

d. single row full complement cylindrical roller bearings, mainly of the NCF and NJG designs.

e. double row full complement cylindrical roller bearings, mainly of the NNF design.

f. multi-row full complement cylindrical roller bearings, with four rollers.

4. Series of cylindrical roller bearing

1. Types NU, N, NNU, and NN are suitable as free-end bearings.
2. Types NJ and NF can sustain limited axial loads in one direction.
3. Types NH and NUP can be used as fixed-end bearings.
4. NH-type cylindrical roller bearings consist of the NJ-type cylindrical roller bearings and HJ-type
5. L-shaped thrust collars.
6. The inner ring loose rib of an NUPtype cylindrical roller bearing should be mounted so that the
7. marked side is on the outside.
8. The RNU cylindrical roller bearing has an outer ring with double capped edges but does not come with inner ring. Such bearing is the NU cylindrical roller bearings without the inner ring
9. The RN cylindrical roller bearing has an inner ring with double capped edge but does not come with outer ring

5. Bearing Picture:

In addition,we also supply following bearing:

If you want to buy this bearing,just contact us!

Company information

  Established in 1989, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad recognitiongain and won the widely support and trust by customers in bearing fields.

  For decades, the company established and completed the quality management system of scientific standardization in line with international standards. In 2005 they won the title of Chinese famous brand ranging from tapered roller bearings, cylindrical roller bearings, spherical roller bearings, thrust ball bearing, angular contact ball bearings, deep groove ball bearings and various non-standard bearings etc.

  Our products are widely used in auto industries, construction machinery industries, electric power industries, pharmaceutical field, mining machinery, printing industries, highway engineering machinery, steel industires, textile machine industries and so on.

  Capable of solving all your bearing issues with its first-class professional advisers and skilled engineers, Wuxi Guangqiang Bearing Trade Co.,Ltd embrace any inquiry, negotiation, cooperation from new and old friends at any time.