Bearings Wholesale Na4901 Nk12/16 HK0810 Needle Roller Bearing for Motorcycle Spare Parts

Product Description

Product Description

Needle roller bearings are a specialized type of rolling-element bearing renowned for their unique design, which features long, thin cylindrical rollers—resembling needles—that are significantly longer than their diameter. This distinctive structure sets them apart from other bearing types, enabling them to deliver exceptional performance in applications where space is limited and high load-carrying capacity is essential.
 
One of the key advantages of needle roller bearings lies in their high load capacity relative to their compact size. The elongated rollers distribute weight evenly across a larger contact area with the raceways, allowing them to withstand both radial and, in some designs, axial loads efficiently. This makes them ideal for use in machinery and equipment where design constraints demand a small footprint without compromising on strength, such as automotive transmissions, hydraulic pumps, and industrial gearboxes.

Specification

Product	Needle Roller Bearing
Type	NA Series/RNA Series/NK Series/NKI Series/NKS Series
Place of Origin	China,shandong
Structure	Needle Bearing
Brand	OEM ODM
Material	Gcr15 steel;Bearing steel
Size	Standard size, customizable
Delivery time	7-30 days depends on quantity needed
Service	OEM service, according to customer requirements
Quality	Large bearing capacity, fine mass.

Other Models

HK needle roller bearing
New model	Dimensions(mm)			Weight(kg)	d(mm)	D(mm)	B(mm)
	Bore  diameter	Outside diameter	Width		17	40	12
HK2010	20	26	20	0.011	20	47	14
HK2012	20	26	12	0.013	25	52	15
HK2016	20	26	16	0.019	30	62	16
HK2020	20	26	20	0.023	35	72	17
HK2030	20	26	30	0.035	40	80	18
HK2210	22	28	10	0.012	45	85	19
HK2212	22	28	12	0.014	50	90	20
HK2216	22	28	16	0.0198	55	100	21
HK2220	22	28	20	0.0033	60	110	22
HK2512	25	32	12	0.0034	65	120	23
HK2516	25	32	16	0.0048	70	125	24
HK2520	25	32	20	0.0045	75	130	25
HK2526	25	32	26	0.0057	80	140	26
HK2538	25	32	38	0.009	10	35	11
HK2816	28	35	16	0.0103	12	37	12
HK2820	28	35	20	0.01	15	42	13
HK3012	30	37	12	0.0102	17	47	14
Bearing No.	Boundary dimensions(mm)			Basic load ratings(N)		Limiting speeds(rpm)	Mass(g)
	Fw	D	C	Cr	Cor	Oil
NAV4002	15	32	17	10800	29800	4500	76
NAV4003	17	35	18	1700	37900	4300	94
NAV4004	20	42	22	28150	60900	3900	170
NAV4005	25	47	22	33800	70800	3700	195
NAV4006	30	55	25	49900	96500	3500	299
NAV4007	35	62	27	47600	122800	3100	402
NAV4008	40	68	28	49900	137900	2700	482
NAV4009	45	75	30	52500	153500	2600	617
NAV4010	50	80	30	55700	166000	2500	669
NAV4011	55	90	35	68500	225800	2300	1030
NAV4012	60	95	35	75400	239000	2100	1087
NAV4013	65	100	35	79500	256900	1900	1156
NAV4014	70	110	40	98800	354900	1700	1666
NAV4015	75	115	45	101800	372900	1600	1762
NAV4016	80	125	45	102900	373500	1500	2450
NAV4017	85	130	45	103800	374800	1400	2500
Shaft	Bearing No.	Boundary Dimensions(mm)			Basic Load Rating(N)		Limiting Speed
		Fw	Ew	Bc	Cr	Cor	Oil(RPM)
3	K3X5X7TN	3	5	7	1540	1290	50000
	K3X5X9TN	3	5	9	1710	1480	48000
	K3X6X7TN	3	6	7	1430	970	47000
4	K4X7X7TN	4	7	7	2330	1840	43000
	K4X7X10TN	4	7	10	2350	1920	39000
5	K5X8X8TN	5	8	8	2300	1880	37000
	K5X8X10TN	5	8	10	2800	2450	37000
6	K6X9X8TN	6	9	8	2500	2240	35000
	K6X9X10TN	6	9	10	3300	3100	35000
	K6X10X13TN	6	10	13	3500	2800	33000

Packing & Delivery

1. Industrial Packing ( Plastic Tube Packing; Paper Rolling Packing etc.) 
2. Single Box Packing ( White Box Paking; Color Box Packing ) 
3. Carton Box + Pallet

Why choose us

Company Profile

X&S bearing is a professional bearing supplier integrating production, manufacturing and trade. Our main bearing products include deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, spherical ball bearings, spherical roller bearings, single row angular contact bearings, double row angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings, pump bearings, and many non-standard bearings are also within our product range.

The company has a professional product design and development system and the ability to conduct research and development simultaneously for customer projects. Our bearings are widely used in automotive transmissions, engines, powertrain systems such as transmissions, electric drive systems of new energy vehicles, steering systems, braking systems, drive shaft systems, air conditioning compressors and other automotive fields. Supporting industries: construction machinery, reducers, power tools, household appliances, etc.

Certifications

Application

FAQ

1.Q: What's the MOQ ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
 
2.Q:How long is the lead time?
A: The lead time for sample orders is 3-7 days, for bulk orders is 7-25 days.
 
3.Q: Do you accept ODM&OEM orders? 
A: Yes, we provide ODM&OEM services to worldwide customers, we are able to customize housings in different styles, and sizes in different brands, we also customize bearing & packaging box as per your requirements.
 
4.Q: How to control bearing quality?
A: We have perfect quality control systems and testing equipments and experienced engineers for more than 10 years.We test bearings one by one assuring all bearings with high performance.
 
5.Q: What's your after-sales service and warranty? 
A: We promise to bear the following responsibility when defective product is found: 
1)12 months warranty from the first day of receiving goods; 
2) Replacements would be sent with goods of your next order; 
3) Refund for defective products if customers require.
 
KINDLY REMIND: 
In order to guarantee the bearing working life,please carefully install and maintenance. 
1.open the package only before install to protect the bearing from rust. 
2.must guarantee the working area of bearing is very clean. 
3.strictly follow the carry capacity,temperature,working time of bearing. 
Any other questions or any products you are interested, please contact us freely!