RNA4902 NA NKI NK GR15 Heavy Duty Needle Roller Bearings For Textile Machine

Product Specification

High precision Open Seal Steel needle roller bearing without shoulder with inner ring/RNA4902

Description:

The solid collar needle roller bearing has compact structure, small radial size and large load carrying capacity. It is suitable for the parts of which the radial overall size is limited. It is also wide applied to the situation where the shaft or housing has the swinging motion. In general, the needle roller bearing only withstands the radial load, not the axial load. When the shaft has axial load. it can be used in combination with other bearings.However, it does not limit the axial shift of shaft or housing. The limiting rotational speed of needle roller bearing is lower. In high rotational speed of main machine, the needle roller bearing with cage shall be chosen as far as possible. In compassion with other types of needle roller bearings, under the situation of same radial size, the needle roller bearing has the large load carrying capacity and high rigidity but has high friction torque.

Because of no inner ring, this needle roller bearing is suitable for parts of which the radial size is limited.The surface of shaft journal fitted with it is acted directly as rolling surface. lt is requested that the surface hardness of shaft journal be no less than HRC60 and the surface roughness Ra value, no more than 0.63hm.This kind of bearing does not limit the axial shift of shaft and housing . 

Features:

1) Precision: ABEC-1(P0), ABEC-3(P6), ABEC-5(P5), ABEC-7(P4)

2) Noise level: Z1, Z2, Z3, Z4

3) Vibration Level: V1, V2, V3, V4

4) Clearance: C2, C3, C4

6) Grease: As your requirement, such as SRL, PS2, Alvania R12 and so on.

Drawings:

No inner ring solid ferrule needle bearing RNA NK series

and so on

Our Needle Roller Bearing Catalogue

Cylindrical Roller Bearing
Auto Parts
Automobile Bearings
Bearing Inner Ring
Clutch Bearing
Combined Needle Roller Bearing
Combined Needle Roller Bearing With The Inner Ring
Curve Roller Bearings
Cylindrical Roller Bearings With Snap Ring
Cylindrical Roller Bearings With Snap Ring Groores
Drawn Cup Needle Roller Bearing With Retainer
Drawn Cup Needle Roller Bearing With Ring
Drawn Cup Needle Roller Bearing With Seal Ring
Drawn Cup Needle Roller Clutch
Drawn Cup Full Complement Needle Roller Bearings
Drawn Cup Needle Roller Bearing
Drawn Cup Needle Roller Clutch Assembly
Full Complement Cylindrical Roller Bearings
Full Coplement Needle Roller Bearing With Or Without Inner Ring
Heavy Duty Bearing
Needle Bearing Inner Ring
Needle Bearing Manufacturer
Needle Roller And Cage Assemblies
Needle Roller Bearing
Needle Roller Bearing Without Inner Ring
Needle Roller Without Shoulder And Inner Ring
Needle Roller Without Shoulder And With Inner Ring
No Collar Slab Roller And Cage Assemblies
Non-Standard Bearings
One Way Clutch
One-Way Needle Roller Bearing
Overrunning Clutch
Radial Needle Roller And Cage Assemblies
Rod-Use Needle Roller And Cage Assemblies
Roller Pins
Rollering Bearings
Seal Ring Needle Roller Bearing With Inner Ring Or Without Inner Ring
Sealed Needle Roller Bearings
Seat Ring
Self-Aligning Needle Bearing
Shaft Ring
Solid Collar Needle Roller Bearing
Sprag Type One-Way Clutch
Supporting Roller Bearings
Thrust Ball Bearing With Flat Seat
Thrust Cylindrical Roller And Cage Assemblies Seat Ring Shaft Ring
Thrust Needle Roller Bearings
Thrust Washer etc.