cylindrical roller bearings NJ217M rodamientos wholesale conveyor roller bearing

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Product Overview

Description



Product Description


Gearbox NJ200 series Cylindrical roller bearings

Cylindrical rollers and raceways are line contact bearings. Load capacity, mainly bear radial load. The rolling element has little friction with the ferrule rib and is suitable for high speed rotation. According to the ferrule with or without ribs, it can be divided into single row cylindrical roller bearings such as NU, NJ, NUP, N, NF, and double row cylindrical roller bearings such as NNU and NN. The bearing is a structure in which the inner ring and the outer ring are separable.



Product Name
Cylindrical roller bearing
Material
chrome steel
Model
NJ200 SERIES 
Speed
2000 rmp/min
Type 
NU, NJ, NUP, N, NF,NNU,NN
Cage
Steel Cage,Brass Cage
Brand 
follow customer's request
Used
engine ,rolling stock, machine tool spindle,internal combustion engin,gearbox,rolling mill,vebrating screen,lifting conveyor




Detailed Images


Bearing characteristics


1. The roller and the raceway are in contact with the wire or repaired, and have a large radial load capacity, which is suitable for bearing heavy loads and impact loads.

2. The friction coefficient is small, suitable for high speed, and the limit speed is close to the deep groove ball bearing.

3. N-type and NU-type can move axially, can adapt to the change of the relative position of the shaft and the shell caused by thermal expansion or installation error, and can be used as free end support.

4. The machining requirements of the shaft or the seat hole are high. After the bearing is installed, the relative deflection of the outer ring axis should be strictly controlled to avoid contact stress concentration.

5. The inner or outer ring can be separated for easy installation and removal.





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.



Applications:

Large and medium-sized motors, rolling stock, machine tool spindles, internal combustion engines, generators, gas turbines, gearboxes, rolling mills, vibrating screens, lifting and transport machinery, etc.





Production Process








Detection




Packing & Delivery


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.






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