Zys High Quality Na Series Na4903 Needle Roller Bearing with Needle Rollers

• Cage：With Cage
• Rows Number：Multiple
• Load Direction：Radial Bearing
• Style：Without Outer Ring
• Material：Bearing Steel
• Type：Open

=== Base Info ===

• Model NO.：NA4903
• Product Name：Needle Roller Bearing Na Series
• Accuracy Class：P4,P2,P5
• Rolling Body：Roller Bearings
• Application：Manufacturing Plant, Machinery Repair Shops, Retai
• Clearance：C0 C2 C3 C4 C5
• Tolerance：ABEC1 ABEC3 ABEC5 ABEC7 ABEC9
• Vibration：Z1V1 Z2V2 Z3V3 Z4V4
• Spherical：Non-Aligning Bearings
• Certification：SGS, ISO,IATF16949
• Size：17*30*13mm
• Apllication：Machine Tools, Automobile Gearboxes
• Company：Bearing Manufacturer
• Transport Package：Export Standard Packing
• Specification：customized
• Trademark：ZYS
• Origin：Luoyang, Henan, China
• Production Capacity：50000PCS Per Month

=== Description ===
bearing.nod(mm)D(mm)B(mm)weight(kg)NA49001022130.021NA49011224130.025NA49021528130.032NA49031730130.033NA49042037170.07NA49052542170.076NA49063047170.101NA49073555200.151NA49084062220.123NA49094568220.26NA49105072220.264NA49115580250.386NA49126085250.412NA49136590250.435NA491470100300.712NA491575105300.765NA491680110300.87NA491785120351.25NA491890125351.312NA491995130350.371NA4920100140201.9NA4922110150402.07NA4924120165452.86NA4926130180504.48NA4928140190506NA4930150210607.29
Materials of Drawn cup needle roller bearing
Needle roller material for the GCr15 bearing steel, hardened HRC60-65.
Inside and outside the ring material for the GCr15 bearing steel, hardened HRC61-65.
The cage material is made of high quality mild steel or reinforced nylon.

Application of Drawn cup needle roller bearing
It is widely used in machine tools, metallurgical machinery, textile machinery and printing machinery and other machinery and equipment, and mechanical design can be more compact and smart.

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FAQ:

Q: Are you trading company or manufacturer?
A: ZYS is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.

Q: How do you control quality of bearing?
A: ZYS has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.


Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.