welcome to Henan TIHI Machinery Co., Ltd

current location:HOME>>Products>>Bearing

Needle Roller Bearings

>Small radial cross-sectional size

>Good rigidity

>Higher radial load carrying capacity

>Especially suitable for situations where space is limited in radial installation areas

>Widely used in situations where the shaft and bearing seat swing

Contact us TEL：+8613253410312

Bearing

Deep Groove Ball Bearings

Self-Aligning Ball Bearings

Cylindrical Roller Bearings

Spherical Roller Bearings

Needle Roller Bearings

Angular Contact Ball Bearings

Taper Roller Bearings

Thrust Ball Bearings

Thrust Roller Bearings

Product Introduction

Type	Inner diameter d
Single row needle roller bearings	12mm~90mm
Double row needle roller bearings	25mm~
Long cylindrical roller bearings	60mm~850mm

Needle Roller Bearings.png

Boundary Dimensions					Basic Load Ratings		Limiting Speeds
d	D	B	F	r	Dynamic C	Static C0	Grease	Oil
mm					kN		r/min
12	24	13	16	0.3	10.1	11.7	15000	23000
20	37	17	25	0.3	21.3	25.5	11000	16000
25	42	17	30	0.3	24	31.5	8500	13000
30	47	17	35	0.3	25.5	35.5	7500	11000
35	55	20	42	0.6	32	50	6600	9500
40	65	22	48	0.6	43.5	66.5	5500	8500
40	62	22	48	0.6	43.5	66.5	5500	8500
45	68	22	52	0.6	45	72	5500	8000
50	72	22	58	0.6	48	80	5000	7000
55	85	25	63	1	58.5	99.5	4300	6000
	80	25	63	1	58.5	99.5	4500	6300
65	90	25	72	1	62.5	112	3700	5500
70	100	30	80	1	85.5	156	3300	5500
80	110	30	90	1	90.5	174	2900	4400
85	120	35	100	1.1	112	237	2500	3800
90	125	35	105	1.1	116	252	2500	3800
110	150	40	125	1.1	149	315	2100	3200
120	165	45	135	1.1	192	395	2000	3000
140	175	35	155	1.1	133	340	1700	2600
170	215	45	185	1.1	185	495	1500	2200
180	225	45	195	1.1	195	540	1400	2100
220	270	50	240	1.5	242	770	1100	1700
260	320	60	285	2	375	1160	900	1400
280	350	69	305	2	455	1300	850	1300
300	380	80	330	2.1	525	1610	750	1100
320	400	80	350	2.1	542	1700	750	1100
340	420	80	370	2.1	556	1800	700	1000

Needle Roller Bearings2.png

Bearing Designations		Mounting Dimensions			Mass
Present	Original	damin	Damax	ramax	kg
Present	Original	mm			kg
NA4901	4524901	14	22	0.3	0.0303
NA4904	4524904K	22	35	0.3	0.0851
NA4905	4524905	27	40	0.3	0.0963
NA4906	4524906	32	45	0.3	0.109
NA4907	4524907	39	51	0.6	0.179
NA608	524708	44	58	0.6	0.315
NA4908	4524908	45	60	0.6	0.266
NA4909	4524909	49	64	0.6	0.298
NA4910	4524910	54	68	0.6	0.319
NA611	524711	61.5	78.5	1	0.562
NA4911	4524911	60	75	1	0.448
NA4913	4524913	70	85	1	0.521
NA4914	4524914	75	95	1	0.825
NA4916	4524916	85	105	1	0.91
NA4917	4524917	91.5	113.5	1	1.39
NA4918	4524918	96.5	118.5	1	1.43
NA4922	4524922	116.5	143.5	1	2.28
NA4924	4524924	126.5	158.5	1	2.96
NA4828	4524828	146.5	168.5	1	2.17
NA4834	4524834	176.5	208.5	1	4.31
NA4836	4524836	186.5	218.5	1	4.6
NA4844	4524844	228	262	1.5	7.12

Bearing Designations	Mounting Dimensions			Mass
	d_amin	D_amax	r_amax	Mass
	mm			kg
NA4852	269	311	2	11.3
NA4856	289	341	2	16.3
NA4860	311	369	2	23.2
NA4864	331	389	2	24.6
NA4868	351	409	2	26.5

Please consult for specific model information.

Related products

leave a message

leave a message

Please leave a message, we will reply to you as soon as possible

1
Message inquiry
2
Waiting for a follow-up visit
3
Free customized process plan

: Email
hichan@hntihi.com; Whatsapp
+8613253410312; TOP