NA4924 IKO Janpan China Factory Price List Needle Roller Bearing

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IKO bearing Needle Roller Bearing IKO NA4924 needle roller bearing

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Needle Roller Bearings

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NA4924 IKO Janpan China Factory Price List Needle Roller Bearing

Detail

Specification

Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported. Needle roller bearings include bearings whose rollers slightly exceed the size range of needle rollers as stipulated by ISO. Needle roller bearings include drawn cup and solid radial bearings, as well as application-specific cam followers, and roller followers. Thrust bearings include thrust needle bearings.Drawn cup needle roller bearings (with a cage and full complement of rollers) have a unique outer ring structure. They have the following features: the thinnest outer ring among rolling bearings, high load capacity, high maximum permissive load owing to the use of carefully selected special alloy steel plates, a surface-hardened cage with high resistance to wear, high limiting speed, and ease of mounting.

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.

* High radial load carrying capacity
* High stiffness
* Low cross-sectional height
* Accommodate axial displacement in both directions
* Separable design

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