Professional na 4900 Mini / heavy duty needle roller bearings , Chrome steel bearing

Professional na 4900 Mini / heavy duty needle roller bearings , Chrome steel bearing

1. High load capacity
2. Small size
3. Good quality
4. high precision
5. Competitive price

We can get back to you quickly, usually within 1 business day and try our best to meet your requirements of package, shipping and other points you concern.

Part of the bearing specification :

Bearing designation	Bearing Designation					Basic load Ratings		Limiting speed
	d	F	D	B	rs	C	Co	min
	mm					N
NA4900	10	14	22	13	0.3	8500	9200	25000
NA4901	12	16	24	13	0.3	9400	10900	23000
NA4902	15	20	28	13	0.3	10600	13600	21000
NA4903	17	22	30	13	0.3	11000	14600	20000
NA4904	20	25	37	17	0.3	21000	25500	17000
NA49/22	22	28	39	17	0.3	22800	29500	15000
NA4905	25	30	42	17	0.3	23600	31500	14000
NA49/28	28	32	45	17	0.3	24400	33500	14000
NA4906	30	35	47	17	0.3	25000	35500	13000
NA4932	32	40	52	20	0.6	30500	47500	11000
NA4907	35	42	55	20	0.6	31500	50000	11000
NA4908	40	48	62	22	0.6	43000	67000	9000
NA4909	45	52	68	22	0.6	45000	73000	8500
NA4910	50	58	72	22	0.6	47000	80000	8000
NA4911	55	63	80	25	1	58000	10000	7000
NA4912	60	68	85	25	1	60000	108000	6500
NA4913	65	72	90	25	1	61000	112000	6500
NA4914	70	80	100	30	1	84000	156000	5500
NA4915	75	85	105	30	1	86000	162000	5500
NA4916	80	90	110	30	1	89000	174000	5000
NA4917	85	100	120	35	1.1	111000	237000	4600
NA4918	90	105	125	35	1.1	114000	250000	4400
NA4919	95	110	130	35	1.1	116000	260000	4200

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 7-15 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.

NA4900 Needle Roller Bearing:

Shenzhen UMT Bearing Co.,Ltd
1.More than 200 workers, 60,000m2 workshop area, 5 production lines
2.ISO 9001:2000 certificated,
3.Quality standard: P0, P6, P5, P4, ABEC-1, ABEC-3, ABEC-5,ABEC-7
4.Material:GCr15(AISI51200),Stainless steel,Ceramic,Carbon Steel
5.All goods examined before delivery by 9 times test by 20 QC staff
6.Prompt Reply Within 12 Hours
7.Sample time within 2-3 days after confirmed
8.15 years of OEM and after market service experience
9.Application for almost 60 industries including railway, automobile, metallurgy, heavy industry, petrol-chemical, military and other industries.
10.Market : North & South America, Southeast Asia, Europe, Australia