Provide high-quality products and excellent services to customers around the world.

Shandong Aifule Precision Bearing Co., Ltd.

LANGUAGE
- English
- Русский

language

Home page

NA4930 Heavy Duty Needle Roller Bearing

Needle Roller Bearings (needle bearing) is a cylindrical roller with roller bearings, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section,has a higher load bearing capacity, equipped with a thin and long needle bearing roller (roller diameter D≤5mm,L / D≥2.5, L is the length of the roller), so radial structure is compact, its diameter size and load capacity and other types of bearings, minimum diameter, especially for radial dimensions limited support structure.

CATEGORY：

Needle Roller Bearings

+86-18396893528

sdafl@cn-aflbearing.com

Message

Related Products

Product Description

Keywords：

NA4930 Heavy Duty Needle Roller Bearing

Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.

It is widely used in automobile,machine toll,lathe,metallurgical,textile,printing industry and etc. Various machinery equipment. With this kind of bearing,machine design can realize the goal of small-scale & light weight.

This kind of bearing has multiple structural styles for the choice of customers,such as narrow & broad series,with or without inner rings,cages,rib or sealings. It can be designed according to the special structural requirements of customers as well.

Material:

Material for needle roller is GCr15 bearing steel,quench-hardening HRC60-65

Material for inner and outer rings is GCr15 bearing steel,quench-hardening HRC60-65

Material for cages is quality low-carbon steel or reinforced nylon.

Type	d mm	D mm	H mm	Dynamic	Static	W/kg
NA4924	120	165	45	144	304	2.84
NA4926	130	180	50	161.6	364	3.9
NA4928	140	190	50	167.2	388	4.05
NA4930	150	210	60	208.8	488	6.38
NA4932	160	220	60	216	520	6.75
NA4934	170	230	60	223.2	552	7.11
NA4936	180	250	69	300	712	10.2
NA4938	190	260	69	312	756	10.7
NA4940	200	280	80	404	944	15.4
NA4944	220	300	80	420	1016	16.7

OUR FACTORY

We specialize in providing forklift bearings, deep groove ball bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, tapered roller bearings, wheel hub bearings, agricultural machinery bearings, etc.

PRODUCT TESTING

We use advanced equipment to conduct strict quality inspection to ensure product quality.

PACKING AND DELIVERY

Sufficient stock for quick shipment.

CUSTOMER CHAT

Our professional service team provides you with the best service experience.

THE ADVANTAGES OF CHOOSING AIFULE

Whether you require standard bearing solutions or customized designs, we are here to meet your needs and support your success. Partner with us, and experience the Aifule difference in precision bearing solutions.

SPECIAL DISCOUNTS

QUALITY ASSURANCE

PROFESSIONAL SERVICES

VERY FAST SHIPPING

FAQ

Can we take some samples? Any fees?

Yes, we can provide samples free of charge, but we don't pay for shipping. If you place an order after confirming the sample, we will refund your delivery fee or deduct it from the order amount.

Can I visit your factory?

Of course. We welcome customers from all over the world to visit our factory.

Are you a trading company or a manufacturer?

We are a professional bearing production company, but also a very professional bearing trading company Product. We can also provide all kinds of bearing products.

How do you make our business relationship good in the long run?

1. We maintain good quality and competitive prices to ensure the benefit of our customers. 2. We treat every customer as a friend, no matter where they come from, we sincerely do business with them and make friends.

Needle Roller Bearings