NA49 Series Machined Needle Roller Bearing for rocker arm pivots, motors, gearbox, printing machinery etc

• Customization: Available
• Structure Type: Needle Roller Bearing
• Precision Rating: P0 P6 P5 P4 P2
• Model NO.: NA4905 (NA495/NA496/NA497/NA498/NA499/NA4900/NA490
• For Shaft Diameter: 5mm-440mm
• Clearance: C0, C2, C3, C4, C5
• Features: NA49 Series Machined Needle Roller Bearing
• Service: OEM ODM
• Certification: ISO9001:2008
• Main Market: Europe, North America, East Asia
• Rolling Body: Roller Bearings
• The Number of Rows: Single
• Material: Bearing Steel
• Spherical: Non-Aligning Bearings
• Load Direction: Radial Bearing
• Separated: Unseparated
• Outer Dimension: 13mm-600mm
• Transport Package: Neutral Packing Bearing
• Specification: 25mm x 42mm x 17mm
• Trademark: HENGLI, LZ
• Origin: China
• HS Code: 8482800000
• Production Capacity: 500000 Pieces/Year

Product Description

NA49... Series Needle Roller Bearing with an Inner Ring
                                                          Introduction
Needle Roller Bearings with Machined Rings are made of carbon chromium bearing steel.
e supplies these bearings with or without flanges on the outer ring, 
In a wide range of series and sizes. We also supplies them with or without an inner ring.


Machined Type Needle Roller Bearings

Product Name	Needle Roller Bearing
Precision Rating	P6, P0, P5, P4, P2
Material	Bearing Steel  (GCr15)
Clearance	C0 C1 C2 C3 C4 C5
Vibration & Noisy	Z1,Z2,Z3 V1,V2,V3
Features	Low cross section, High load carrying capacity, Separable design, High stiffness and Accommodate axial displacement
Application	Farm and Construction Equipment, Gas Engines, Gear Pumps, And Small Appliances
Certification	ISO 9001:2008
Packing	1.Neutral Packing Bearing  2.Industrial Packing  3.Commercial Packing Bearing  4.Customize
Delivery Time	30 - 45 Days After The Order is Confirmed
Shippment	1.By Sea  2.By Air  3.By Express
Website	http://hlimachinery.en.made-in-china.com

Bearing No.	Boundary Dimensions (mm)					Allow migration	Basic Load Rating (KN)		Limited Speed	Mass
	d	Fw	D	C	r	s	C	Co	rpm	kg
					min
NA495	5	7	13	10	0.15	0.5	2.24	2.02	27200	0.007
NA496	6	8	15	10	0.15	0.5	3.14	2.62	25600	0.009
NA497	7	9	17	10	0.15	0.5	3.44	2.77	24000	0.011
NA498	8	10	19	11	0.2	0.5	4.71	3.82	22400	0.015
NA499	9	12	20	11	0.3	0.5	5.02	4.79	20800	0.017
NA4900	10	14	22	13	0.3	0.5	6.88	7.36	19200	0.024
NA4901	12	16	24	13	0.3	0.5	7.64	8.72	18400	0.027
NA4902	15	20	28	13	0.3	0.5	8.24	10.24	16000	0.036
NA4903	17	22	30	13	0.3	0.5	8.96	11.68	14400	0.037
NA4904	20	25	37	17	0.3	0.8	17.04	20.4	12800	0.074
NA49/22	22	28	39	17	0.3	0.8	18.56	23.44	11200	0.08
NA4905	25	30	42	17	0.3	0.8	19.2	25.2	10400	0.088
NA49/28	28	32	45	17	0.3	0.8	19.84	26.8	10400	0.098
NA4906	30	35	47	17	0.3	0.8	20.4	28.4	8800	0.101
NA49/32	32	40	52	20	0.6	0.8	25.2	38	8000	0.157
NA4907	35	42	55	20	0.6	0.8	25.6	40	7600	0.171
NA4908	40	48	62	22	0.6	1	34.8	53.2	6800	0.232
NA4909	45	52	68	22	0.6	1	36.8	58.4	6000	0.232
NA4910	50	58	72	22	0.6	1	38.4	64	5600	0.276
NA4911	55	63	80	25	1	1.5	46.8	79.6	5200	0.396
NA4912	60	68	85	25	1	1.5	49.2	86.4	4800	0.427
NA4913	65	72	90	25	1	1.5	50	89.6	4400	0.454
NA4914	70	80	100	30	1	1.5	68.4	124.8	4000	0.727
NA4915	75	85	105	30	1	1.5	69.6	129.6	3760	0.776
NA4916	80	90	110	30	1	1.5	72.4	139.2	3520	0.82
NA4917	85	100	120	35	1.1	1	89.6	189.6	3200	1.24
NA4918	90	105	125	35	1.1	1	92.8	201.6	3040	1.31
NA4919	95	110	130	35	1.1	1	94.4	208	2880	1.36
NA4920	100	115	140	40	1.1	2	101.6	208	2800	1.93
NA4922	110	125	150	40	1.1	2	104.8	223.2	2560	2.08
NA4924	120	135	165	45	1.1	2	144	304	2400	2.84
NA4926	130	150	180	50	1.5	1.5	161.6	304	2160	2.9
NA4928	140	160	190	50	1.5	1.5	167.2	388	2000	4.05
NA4930	150	170	210	60	2	1.5	208.8	488	1920	6.38
NA4932	160	180	220	60	2	1.5	216	520	1760	6.75
NA4934	170	190	230	60	2	1.5	223.2	552	1680	7.11
NA4936	180	205	250	69	2	1.5	300	712	1600	10.2
NA4938	190	215	260	69	2	1.5	312	756	1520	10.7
(NA4940)	200	225	280	80	2.1	1.5	404	944	1440	15.4
(NA4944)	220	240	300	80	2.1	1.5	420	1016	1280	16.7
(NA4948)	240	265	320	80	2.1	2	432	1080	1200	18
(NA4952)	260	290	360	100	2.1	2	644	1520	1120	31.1
(NA4956)	280	310	380	100	2.1	2	668	1624	1040	33.1
(NA4960)	300	340	420	118	3	2	864	2110	960	51.4
(NA4964)	320	360	440	118	3	2	896	2256	880	54.4
(NA4968)	340	380	460	118	3	2	928	2400	880	57.3
(NA4972)	360	400	480	118	3	2	960	2560	800	60.2
(NA4976)	380	430	520	140	4	2	1120	3000	760	90.3
(NA4980)	400	450	540	140	4	2.5	1160	3200	720	94.4
(NA4984)	420	470	560	140	4	2.5	1200	3400	680	98.5
(NA4988)	440	490	600	160	4	2.5	1400	3680	640	131

 

                                                                                    
                                                        About Us

HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.

Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, LUAN Rolling Bearing Co., Ltd

was established in 1970 and is accredited by the Chinese Ministry of Machine Building.

We invested in two additional specialized bearing factories, which allow us to provide our clients with top of the line products such

as Needle Roller Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint Bearings, Tapered Roller Bearings,

Wheel Hub Bearings and Non-Standard Bearings.

FAQ
Q1 - What is our advantages?

     A    - Manufacturer - Do it only with the Best;

            -Your Choice make different. 

Q2 - Our Products

 A   - Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing

      - Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing

Q3 - Process of our production

 A - Heat Treatment - Grinding - Parts Inspection - Assembly - Final Inspection - Packing

Q4 - How to customize bearing(non-standard) from your company?

 A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.

Q5 -   What should I care before installation?

 A   - Normally, the preservative with which new bearings are coated before leaving the factory does not need to be

        removed; it is only necessary to wipe off the outside cylin­drical surface and bore, if the grease is not compatible

        with the preservative, it is necessary to wash and carefully dry the bearing.

      -Bearings should be installed in a dry, dust-free room away from metal working or other machines producing

        swarf and dust.

Q6 - How to stock and maintenance my bearings right? 

 A   - Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;

      -Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity

       or sudden and severe temperature changes that may result in condensation forming;

      -Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.