high quality Needle Roller Bearings NA4920

Needle Roller Bearings NA4920 Features: 1) High strength designed outer ring 2) High durability under heavy loads

1 High quality and good service

2 Less coefficient of friction3 Competitive price4 Variations of structure :

A) Machined Type Needle roller bearing 

NA49, NA59, NA69,NKI, NKIS, BRI, TAFI,NAO, NA...2RS, etc

B) Machined Type Needle roller bearing without inner ring

RNA49, RNA59, RNA69,NK, NKS, TAF,RNAO,  RNA, HJ,BR,NCS,MR, etc

C) Drawn Cup Needle bearing

HK, BK,TA,TLA,F,FH,SN,MF,MFH,MFH,SCE,BCE,SCH,BCH,BA,B,BH,M,MH,HK...OH,etc

D) Drawn Cup Needle Roller Clutches

HF,HFL,RC,FC,FCB, etc

5  Material: chrome steel

1.Needle Roller Bearings NA4920 Features: 1) High strength designed outer ring

                                                 2) High durability under heavy loads

2.Bearing Range:

	Boundary dimensions		Basic load ratings		Limiting speeds		Mass/g	NA Model
	/mm		/Kn		/(r/min)		W
d	D	C	Cr	Cor	grease	oil
10	22	13	8.60	9.20	15000	22000	24.3	NA 4900
12	24	13	9.60	10.80	13000	19000	27.6	NA 4901
	24	22	16.20	21.50	13000	19000	46.9	NA 6901
15	28	13	10.20	12.80	10000	16000	35.9	NA 4902
	28	23	17.50	25.50	10000	16000	63.7	NA 6902
17	30	13	11.20	14.50	9500	15000	39.4	NA 4903
	30	23	19.00	28.80	9500	15000	69.9	NA 6903
20	37	17	21.20	25.20	9000	14000	79.9	NA 4904
	37	30	35.20	48.50	9000	14000	141	NA 6904
22	39	17	23.20	29.20	9000	13000	85.4	NA 49/22
	39	30	38.50	56.20	9000	13000	151	NA 69/22
25	42	17	24.00	31.20	8000	12000	94.7	NA 4905
	42	30	40.00	60.20	8000	12000	167	NA 6905
28	45	17	24.80	33.20	7500	11000	104	NA 49/28
	45	30	41.50	64.20	7500	11000	183	NA 69/28
30	47	17	25.50	35.50	7000	10000	108	NA 4906
	47	30	42.80	68.50	7000	10000	191	NA 6906
32	52	20	31.50	48.50	6300	9000	168	NA 49/32
	52	36	48.00	83.50	6300	9000		NA 69/32
35	55	20	32.50	51.00	6000	8500	181	NA 4907
	55	36	49.50	87.20	6000	8500		NA 6907
40	62	22	43.50	66.20	5000	7000	240	NA 4908
	62	40	62.80	108.00	5000	7000		NA 6908
45	68	22	46.00	73.00	4800	6700	284	NA 4909
	68	40	67.20	118	4800	6700		NA 6909
50	72	22	48.20	80	4500	6300	287	NA 4910
	72	40	70.20	128	4500	6300		NA 6910
55	80	25	58.50	99	4000	5600	416	NA 4911
	80	45	87.80	168	4000	5600		NA 6911
60	85	25	66.50	108	3800	5300	448	NA 4912
	85	45	61.20	182	3800	5300		NA 6912
65	90	25	62.20	112	3600	5000	479	NA 4913
	90	45	93.20	188	3600	5000		NA 6913
70	100	30	84.00	152	3200	4500	762	NA 4914
	100	54	130.00	260	3200	4500		NA 6914
75	105	30	85.50	158	3000	4300	805	NA 4915
	105	54	130	270	3000	4300		NA 6915
80	110	30	89	170	2800	4000	852	NA 4916
	110	54	135	292	2800	4000		NA 6916
85	120	35	112	235	2400	3600	1280	NA 4917
	120	63	155	365	2400	3600		NA 6917
90	125	35	115	250	2200	3400	1340	NA 4918
	125	63	165	388	2200	3400		NA 6918
95	130	35	120	265	2000	3200	1410	NA 4919
	130	63	172	412	2000	3200		NA 6919
100	140	40	130	270	2000	3200	1960	NA 4920
	140	71	202	480	2000	3200		NA 6920

3.Quality Certification:ISO9001:2000 system

4.Service:prompt delivery,OEM available

5.Advantage:High quality and competitive price

high quality Needle Roller Bearings NA4920