XI120321 Bearing 257.238338mm

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XI120321

Bore Diameter:257.2 mm

Outside Diameter:383 mm

Width:38 mm

Weight:15 kg

The XI120321 bearing is a Slewing Bearing with an inner diameter of 257.2 mm , an outer diameter of 383 mm, a width of 38 mm. It typically uses P0~P2 grade precision tolerances and lip seals on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

257.2 mm

Outside Diameter:

383 mm

Thickness:

38 mm

Weight:

15 KG

Specifications:

Structure:

Crossed roller type

Precision Rating:

P0~P2

Bearing Material:

42 CrMo

Seals Type:

lip seals on both sides

Transaction Information:

Payment term:

TT/LC

Delivery time:

20 DAYS

Detailed description

DEATIL:

d_i

257,2 mm

D_a

383 mm

34 mm

d₀

261 mm

38 mm

33 mm

L_a

357 mm

L_i

287 mm

3 mm

Tooth modulus

n_a

Number of fixing holes in outer ring

n_i

Number of fixing holes in inner ring

Number of teeth

15 kg

Mass

F_{r per}

56000 N

Maximum permissible radial load against friction lock

C_a

163000 N

Basic dynamic load rating, axial

C_0a

320000 N

Basic static load rating, axial

C_r

104000 N

Basic dynamic load rating, radial

C_0r

157000 N

Basic static load rating, radial

NOTE:

1. Models in this brochure are standard,inner and outer diameter are free tolerance. If there are matching requirements of host-machine,please mark the size and precision on the contract or attached drawing.

2. Provides design & solutions for OEM, each special, individual need.

XI120321 Bearing is composed of 2 seat-rings, and with the features of compact structure, light weight. The balls contact with the circular raceway at four points, via which the axial force, radial force and tilting moment can be born simultaneously.Mainly be used in slewing conveyors, welding arms and manipulators, small and medium cranes, excavators, and other engineering machines.

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XI120321 Bearing 257.238338mm

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