K89456M Axial Cylindrical Roller And Cage Assemblies

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K89456M

Bore Diameter:280 mm

Outside Diameter:520 mm

Width:48 mm

Weight:47.5 kg

Min. Order:1 Piece

The K89456M 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 K89456M bearing is a Axial cylindrical roller and cage assemblies, double row with an inner diameter of 280 mm , an outer diameter of 520 mm, a width of 48 mm. GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 4197574 N, its static axial rated load is approximately 17590582 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

280 mm

Outside Diameter:

520 mm

Thickness:

48 mm

Weight:

47.5 KG

Dynamic load Capacity, axial:

4197574 N

Static load Capacity, axial:

17590582 N

Fatigue Load Limit, Axial:

1359405 N

Reference speed (Grease rpm):

196

Limiting speed (Oil rpm):

686

Specifications:

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

Two

Cage Type:

M = Brass Cage

Rolling Mlement Material:

GCr15SiMn

Operating Temperature:

-20 to 120 °C

System of Measurement:

Metric

Series:

K894 series (K894..-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

K89456M bearings ( 280 mm x 520 mm x 48 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	K89456M
Bearing Type	Axial cylindrical roller and cage assemblies, double row
Series	K894 series (K894..-M)
Cage	M = Brass Cage
Rows NO.	Two
Weight [lb]	104.7185
C_a Axial Dynamic [lbf]	943614
C_0a Axial static [lbf]	3954362
C_ua Axial Fatigue [lbf]	305594
n_B Speed ratings (grease) [rpm]	196
n_G Speed ratings (oil) [rpm]	686
Dw [inch]	1.8898
D_c [inch]	20.4724
D_c1 [inch]	11.0236
E_b Raceway [inch]	12.1653
E_a Raceway [inch]	20.0000

The K89456M 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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