NA 6902 bearing NA series needle roller bearing NA6902 size 20x28x23 mm

NA 6902 bearing NA series needle roller bearing NA6902 size 20x28x23 mm

Needle bearing is a roller bearing with a cylindrical roller, which is thin and long relative to its diameter.This roller is called a needle roller.Although has a small cross-section, bearing still has high load capacity, needle bearing with fine and long roller (roller diameter D 5 mm or less, acuity 2.5 L/D, L) for the roller length, so the radial structure is compact, its diameter and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting structure.

Type

(1) closed punching outer ring needle roller bearing

(2) needle roller bearing with inner ring

(3) needle roller bearing without inner ring/needle bearing without inner ring without retaining frame

(4) full needle roller bearing with and without a cage

(5)also can supply various types of needle roller bearing, 1, 2 needle cage components, no guard the needle roller bearing 3, can make 4, combined needle roller / 5, combined needle roller bearing/thrust ball bearings

(6) Combined needle/cylinder roller thrust bearing.

Advantages

Needle bearing with fine and long roller (3 ~ 10 times the diameter of the roller length is, no more than 5 mm in diameter), so the radial structure is compact, its diameter and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting structure.The processing precision and surface quality of needle roller bearing should be combined with bearing sleeve and application according to different usage.Needle roller bearing is a bearing unit composed of a core needle bearing and a thrust bearing component.

1,Q: Are you trading company or manufacturer ?
A: We are factory.
2,Q: How long is your delivery time for na 6902 bearing?
A: Generally it is 3-5 days if the goods are in stock.or it is 15-20 days if the goods are not in stock, it is according to quantity.
3,Q: Do you provide samples for na 6902 bearing? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
4,Q: What is your terms of payment for bearing?
A: Payment<=1000USD,100% in advance.Payment>=1000USD, 30% T/T in advance,pay the balance before shippment.
5, Q:Could you accept OEM and customize for na 6902 bearing?
A:YES,we can customize for you according to sample or drawing.
6, Q: When can I get the price for na 6902 bearing?
A: after we get your inquiry, usually within 2-6 hours.Urgent will be faster.
7,Q:How about your quality of bearings?
A:Our quality of bearings is based on ISO9001 and quality of bearing is our soul.
8, Q: What is the MOQ of na 6902 bearing?
A: Usually ≥1,According your demand.
9,Q: Will you check these products before shipment?
A: Yes, before shipment products will be strictly inspection on our factory QC Process System.We have a professional QC team.
10, Q: What will we do if If you are not satisfied with the product?
A: If have any question,Please contact us at first time, we will immediately processing.