K81156M Axial Cylindrical Roller And Cage Assemblies

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K81156M

Bore Diameter:280 mm

Outside Diameter:350 mm

Width:22 mm

Weight:5.31 kg

Min. Order:1 Piece

The K81156M Cylindrical roller thrust bearings are specifically designed for applications requiring heavy axial loads and stringent positioning accuracy. Classic applications include heavy-duty vertical lathe tables, marine propeller shaft thrust devices, large gearboxes, wind turbine main gearboxes, rolling mill pressing mechanisms, and crane slewing bearings.

The K81156M bearing is a Axial cylindrical roller and cage assemblies, Single row with an inner diameter of 280 mm , an outer diameter of 350 mm, a width of 22 mm. GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 859342 N, its static axial rated load is approximately 3649828 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

280 mm

Outside Diameter:

350 mm

Thickness:

22 mm

Weight:

5.31 KG

Dynamic load Capacity, axial:

859342 N

Static load Capacity, axial:

3649828 N

Fatigue Load Limit, Axial:

281739 N

Reference speed (Grease rpm):

330

Limiting speed (Oil rpm):

893

Specifications:

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

One

Cage Type:

M = Brass Cage

Rolling Mlement Material:

GCr15SiMn

Operating Temperature:

-20 to 120 °C

System of Measurement:

Metric

Series:

K811 series (K811..-M)

Rolling Element:

cylindrical rollers

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

200 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

K81156M bearings ( 280 mm x 350 mm x 22 mm) have the advantages of extremely high axial load capacity, high rigidity, compact axial structure, and a detachable design for easy installation, and are therefore widely used in the Machine tool worktables, extruders, differentials, wind power equipment, and oil drilling machinery.

Part Number	K81156M
Bearing Type	Axial cylindrical roller and cage assemblies, Single row
Series	K811 series (K811..-M)
Cage	M = Brass Cage
Rows NO.	One
Weight [lb]	11.7064
C_a Axial Dynamic [lbf]	193180
C_0a Axial static [lbf]	820481
C_ua Axial Fatigue [lbf]	63334
n_B Speed ratings (grease) [rpm]	330
n_G Speed ratings (oil) [rpm]	893
Dw [inch]	0.8661
D_c [inch]	13.7795
D_c1 [inch]	11.0236
E_b Raceway [inch]	11.5748
E_a Raceway [inch]	13.5433

The K81156M Cylindrical roller thrust bearings mainly consist of a shaft ring, a housing ring, cylindrical rollers, and a cage assembly. The rollers are arranged radially, forming a line contact load-bearing structure.

The advantages of cylindrical roller thrust bearings include extremely high axial load capacity, excellent rigidity, and a low coefficient of friction. Optimized roller end faces and flanges can accommodate slight eccentricity and impact loads, while also featuring a compact structure and high rotational accuracy.

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