89438M Axial Cylindrical Roller Bearings, Single Direction, Double Row, Brass Cage

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89438M

Bore Diameter:190 mm

Outside Diameter:380 mm

Width:115 mm

Weight:72.1 kg

Min. Order:1 Piece

The 89438M 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 89438M bearing is a Axial cylindrical roller bearings, Single direction, Double row with an inner diameter of 190 mm , an outer diameter of 380 mm, a width of 115 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 2456620 N, its static axial rated load is approximately 9198880 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

190 mm

Outside Diameter:

380 mm

Thickness:

115 mm

Weight:

72.1 KG

Dynamic load Capacity, axial:

2456620 N

Static load Capacity, axial:

9198880 N

Fatigue Load Limit, Axial:

799444 N

Reference speed (Grease rpm):

313

Limiting speed (Oil rpm):

993

Specifications:

Old Designations:

89438M

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

Two

Precision Rating:

PN (ABEC-1)

Bearing Material:

GCr15SiMn

Cage Type:

M = Brass cage

Rolling Mlement Material:

GCr15SiMn

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 150 °C

System of Measurement:

Metric

Series:

894 series (894..-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

89438M bearings ( 190 mm x 380 mm x 115 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	89438M
Bearing Type	Axial cylindrical roller bearings, Single direction, Double row
Design	2
Series	894 series (894..-M)
Cage	M = Brass cage
Accuracy class	PN (ABEC-1)
Rows NO.	Two
Axial cylindrical roller and cage assemblies	K89438-M
Housing locating washer	GS89438
Shaft locating washer	WS89438
Weight [lb]	158.9517
C_a Axial Dynamic [lbf]	552248
C_0a Axial static [lbf]	2067908
C_ua Axial Fatigue [lbf]	179715
n_B Speed ratings (grease) [rpm]	313
n_G Speed ratings (oil) [rpm]	993
d φ Inside [inch]	7.4803
D Φ Outside [inch]	14.9606
T Thickness [inch]	4.5276
B Width [inch]	1.5157
D₁ [inch]	7.6772
d₁ [inch]	14.9606
r(min.) [inch]	0.1969

The 89438M 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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89438M Axial Cylindrical Roller Bearings, Single Direction, Double Row, Brass Cage

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