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Needle roller bearing overview: They are roller bearings with cylindrical rollers that are small in diameter. In spite of their low cross section, needle bearing have a high load carrying capacity and are therefore extremely suitable for bearing arrangements where radial space is limited. supplies needle roller bearings in different designs and a wide range of sizes, which are appropriate for different applications. In addition to customized designs, they comprise the following types and components:   Our company can supply following kinds of needle roller bearings:  1. Drawn Cup Needle Bearing: HK, BK seires 2. Needle Bearing with Inner Ring: NA49,NA69, NKI series 3. Needle Bearing without Inner Ring: NK, RNA series 4. Full Complement Needle Bearing: NAV series 5. Radial Needle Roller and Cage Assemblie: K, KK series 6. Thrust Needle Roller and Cage Assemblies: AXK, AS series
Needle roller bearings size:     

bearing  code	d	D	B	C	C0	Pu	reference speed	limiting speed	mass
RNA 4822	120	140	30	93,5	232	27,5	3400	3800	0,67
RNA 4824	130	150	30	99	255	30	3200	3600	0,73
RNA 4826	145	165	35	119	325	37,5	2800	3200	0,99
RNA 4828	155	175	35	121	345	38	2600	3000	1,05
RNA 4830	165	190	40	147	415	46,5	2400	2800	1,60
RNA 4832	175	200	40	157	450	50	2200	2600	1,70
RNA 4834	185	215	45	179	520	57	2200	2400	2,55
RNA 4836	195	225	45	190	570	60	2000	2400	2,70
RNA 4838	210	240	50	220	710	73,5	1900	2200	3,20
RNA 4840	220	250	50	224	735	75	1800	2000	3,35
RNA 4844	240	270	50	238	815	81,5	1700	1900	3,60
RNA 4848	265	300	60	347	1120	108	1500	1700	5,40
RNA 4852	285	320	60	358	1200	114	1400	1500	5,80
RNA 4856	305	350	69	429	1320	127	1300	1400	9,30
RNA 4860	330	380	80	594	1800	170	1100	1300	12,5
RNA 4864	350	400	80	605	1900	176	1100	1200	13,5
RNA 4868	370	420	80	616	1960	180	1000	1200	14,0
RNA 4872	390	440	80	627	2040	186	950	1100	15,0
RNA 4876	415	480	100	968	3000	265	900	1000	26,0
NA 4822	110	140	30	93,5	232	27,5	3400	3800	1,10
NA 4824	120	150	30	99	255	30	3200	3600	1,15
NA 4826	130	165	35	119	325	37,5	2800	3200	1,80

  needle roller bearing details and deal conditions            

1	Material	Chrome Steel Gcr15 , Carbon steel Gcr11 , Stainless steel
2	Grease/Oil	Good quality
3	Cage	Steel , Brass
4	Roller	Steel
5	Seal	Open, Oil seal
6	Package	1.Single box: plastic bag+single box 2.Single wooden box: plastic bag+single wooden box 3.Carton: Standard export carton. 4.Mark : TJTQ-CHINA
7	Bearing precision	P0 P6 P5
8	Noise	Z1 Z2
9	Quality	Original NSK,NTN, brand
10	Service	OEM
11	Application	Home appliances, low noise and high speed electric motors, automotive components, pumps, machinery.
12	Delivery	Normally ready goods and stock within 7 days
13	Payment Terms	30% T/T In Advance, 70% T/T Against Copy Of B/L
14	Brand	NSK,NTN,

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