81164MPB Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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81164MPB

Bore Diameter:320 mm

Outside Diameter:400 mm

Width:63 mm

Weight:20.7 kg

Min. Order:1 Piece

The 81164MPB 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 81164MPB bearing is a Axial cylindrical roller bearings, Single direction, Single row with an inner diameter of 320 mm , an outer diameter of 400 mm, a width of 63 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 1095413 N, its static axial rated load is approximately 4749423 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: 811 64 M , 81164MPB

Dimensions:

Inside Diameter:

320 mm

Outside Diameter:

400 mm

Thickness:

63 mm

Weight:

20.7 KG

Dynamic load Capacity, axial:

1095413 N

Static load Capacity, axial:

4749423 N

Fatigue Load Limit, Axial:

383952 N

Reference speed (Grease rpm):

267

Limiting speed (Oil rpm):

794

Specifications:

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

One

Precision Rating:

PN (ABEC-1)

Bearing Material:

GCr15SiMn

Cage Type:

MPB = Brass Cage

Rolling Mlement Material:

GCr15SiMn

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 150 °C

System of Measurement:

Metric

Series:

811 series (811..-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

81164MPB bearings ( 320 mm x 400 mm x 63 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	81164MPB
Bearing Type	Axial cylindrical roller bearings, Single direction, Single row
Design	1
Equivalent	811 64 M , 81164MPB
Series	811 series (811..-M)
Cage	MPB = Brass Cage
Accuracy class	PN (ABEC-1)
Rows NO.	One
Axial cylindrical roller and cage assemblies	K81164-M
Housing locating washer	GS81164
Shaft locating washer	WS81164
Weight [lb]	45.6352
C_a Axial Dynamic [lbf]	246248
C_0a Axial static [lbf]	1067670
C_ua Axial Fatigue [lbf]	86312
n_B Speed ratings (grease) [rpm]	267
n_G Speed ratings (oil) [rpm]	794
d φ Inside [inch]	12.5984
D Φ Outside [inch]	15.7480
T Thickness [inch]	2.4803
B Width [inch]	0.7480
D₁ [inch]	12.7559
d₁ [inch]	15.5905
r(min.) [inch]	0.0787
Mounting dimensions
d_a [inch]	15.5118
D_a(max.) [inch]	13.1496
r_a(max.) [inch]	0.0787

The 81164MPB 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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81164MPB Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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