Full Complement Needle Roller Bearing with or without Inner Ring HRC60

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 pc
Supply Capability:
1000 pc/month

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Product Description:

Product information:

As for the full complement needle roller bearing with inner ring,the outer ring has the oil hole.The lubricating oil can be fed in from the oil hole. The outer ring has the double shoulders. As for the full complement needle roller bearing without inner ring,since the inner ring has no shoulder and cage,the inner ring,outer ring,complete set of needles can be mounted respectively.It is s suitable for parts of which the radial size is limited.The surface of shaft journal fitted with it is acted directly as rolling surface. 

Size:

NAV4902
NAV4002
NAV4903
NAV4003
NAV4904
NAV4004
NAV203620.5
NAV204

NAV24668
.1
NAV4905
NAV4005
NAV205
NAV4906
NAV4006
NAV4907
NAV4007
NAV4908
NAV4008
NAV4909

Salient features:

It is requested that the surface hardness be no less than HRC60,surface roughness,no 
more than 0.63μm. This kind of full complement bearing, with inner ring or without inner ring,does not limit the axial shift of shaft and housing.
Since this kind of bearing has no cage,the needles rotate without correct guiding,they rub heavily against each other and the bearing has the low limiting rotational speed.

Applications:

Tungsten carbide bush is often used in water pump, oil pump and other pumps, especially used for high pressure or corrosion resistance pumps, flow restrictors, servo seat 

Packing details:

Standard packing: plastic box inside, carton or wooden box outside

Advantages of our products:

Made from 100% virgin raw material

Produced with advanced equipment

All products go through in-process and final inspection

Free technical service online

About our service:

OEM and ODM orders are welcome

Customized design is available

Reply your enquiry in 24 working hours

Experienced staffs will answer to all your questions in fluent English

Payment terms: we accept T/T, L/C, PayPal, Western Union, Escrow

Regarding T/T payment, the customers need to pay 30% in advance, the balance will be paid off after finished product before shipment

Regarding L/C payment, we just accept the irrevocable L/C, and buyer should pay all handle fee of the bank include our bank handle fee

Full Complement Needle Roller Bearing with or without Inner Ring HRC60

Full Complement Needle Roller Bearing with or without Inner Ring HRC60



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Q:What are the skills of concrete pump?
The operator and equipment management personnel should carefully read the instructions, grasp the relevant knowledge of the structural principle, use and maintenance as well as pumping concrete; use and operation of the concrete pump, should be strictly in accordance with the execution of instructions
Q:How can the concrete pump pipe be cleaned?
Take some concrete out of the first straight pipe and connect with the air wash joint. The joint shall be filled with sponge balls soaked in water. The inlet, the exhaust valve and the compressed air hose shall be installed on the joint.
Q:How to choose concrete pump?
In order to ensure that the concrete pump has a larger amount of transportation, but also has a certain outlet pressure and the corresponding economic power, in the design of concrete pump, most of the constant power piston pump is used
Q:What is the second generation pumping technology of concrete pump?
Concrete pump, S pipe distribution without PLC electrical components to participate in, the failure rate is lower, more reliable control, product life has greatly improved
Q:Is the main pump of the concrete pump electric control or hydraulic control?
Closed main oil pump behind the charge pump to provide a constant pressure to the displacement of the electromagnet by the current control output pressure to achieve the main pump pressure and pumping the commutation.
Q:What is the washing process of the concrete pump pipe?
Anti pump action a few times, release the pipe pressure, cut off the power supply
Q:When concrete is poured, how high can the concrete pump be put?
At present, the commonly used car pump, the length of the arm more than 30 meters to more than 40 meters, there are a small number of arms as long as more than 50 meters to more than 70 meters
Q:What are the fittings of concrete pump?
The commonly used electrical accessories (button switch, switch, trip circuit breaker, transformer terminals, etc.), hydraulic pipe
Q:How to deal with the blockage in the outlet of the distributing valve of the concrete pump?
If this method does not dare, it can only be manually removed, remove the connecting pipe, remove the debris in the valve.
Q:Why would the plugging concrete pump pipe
When pumping, the operator shall observe the leftover material in the hopper at any time. The remaining material shall not be lower than the stirring shaft. If there is too little material, the air will be easily inhaled, which will lead to pipe blockage. The material in the hopper can not be piled too much, should be lower than the guard bar, so as to clean up the coarse aggregate and super large aggregate in time

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