K25x31x21 Bearing

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K25x31x21

Bore Diameter:25 mm

Outside Diameter:31 mm

Width:21 mm

Weight:6.2 kg

The K25x31x21 bearing is a Radial Needle Roller with an inner diameter of 25 mm , an outer diameter of 31 mm, a width of 21 mm. It typically uses P0 P6 P5 P4 P2 grade precision tolerances and Needle type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

25 mm

Outside Diameter:

31 mm

Thickness:

21 mm

Weight:

6.2 KG

Specifications:

Structure:

Radial Needle Roller Bearing

Brand:

Precision Rating:

P0 P6 P5 P4 P2

Bearing Material:

bearing steel

Seals Type:

Needle

Transaction Information:

Payment term:

T/T

Delivery time:

in stock

Detailed description

Products name	K25x31x21 Radial Needle Roller and Cage Assembly
Brand name	XY
Dimension (dXDxT)	25x31x21 mm
Basic load ratings(KN)	Dyn(C):24100 KN
Basic load ratings(KN)	Stat(C0):37500 KN
Material	Bearing steel
Precision	P0 P6 P5 P4 P2
Sealing	Needle
Price	Competitive
Delivery date	In stock
Payment terms	T/T

The main types of cage are series M and series K. KU. KH. The cage is made of high quality carbon steel or low carbon alloy steel (15CrMo,20CrmO) or plastic (nylon). The cage will have enough strength and anti-friction properties after chemical operating. The operating temperature of plastic cage should be 120°c, and 180°c is allowable on condition that it is short time operating.

The radial needle roller and cage assembly is a self retaining rolling unit. The long space between two guidance face is easy for both guiding the needle roller accurately and choose reasonable position. The type is recommened to use when the shaft and housing bores are used as raceway . The needle roller and cage assembly provides rolling bearing with high accuracy within low radial section height.

When the needle roller and cage assembly is operated between axis and shell, the radial clearance is determined by the processing tolerance of axis and shell's race way.

In order for the radial needle roller bearing and cage assembly to meet with the load capacity , the hardness of raceway should be no less than 58-64HRC, the depth of hardened surface should be 0.6-1mm and roughness (Ra) shouldn't be over 0.2um

Radial Needle Roller bearing is widely used for engineering machinery, vehicle, steel and iron and take up machinery. In order to satisfy the requirement of main machine, this kind of bearing can be made in split bearing,convenient for mounting.

If any product meet your demand, please contact us for further information. We're sure your any inquiry or requirement will get prompt attention.
Thank you in advance.

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