81136MPB Axial Cylindrical Roller Bearings, Single Row, Single Direction, Brass Cage

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81136MPB

Bore Diameter:180 mm

Outside Diameter:225 mm

Width:34 mm

Weight:3.3 kg

Min. Order:1 Piece

The 81136MPB 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 81136MPB bearing is a Axial cylindrical roller bearings, Single row, single direction with an inner diameter of 180 mm , an outer diameter of 225 mm, a width of 34 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 339165 N, its static axial rated load is approximately 1299195 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: 811 36 M , 81136MPB

Dimensions:

Inside Diameter:

180 mm

Outside Diameter:

225 mm

Thickness:

34 mm

Weight:

3.3 KG

Dynamic load Capacity, axial:

339165 N

Static load Capacity, axial:

1299195 N

Fatigue Load Limit, Axial:

106171 N

Reference speed (Grease rpm):

579

Limiting speed (Oil rpm):

1414

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:

-20 to 120 °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

81136MPB bearings ( 180 mm x 225 mm x 34 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	81136MPB
Bearing Type	Axial cylindrical roller bearings, Single row, single direction
Equivalent	811 36 M , 81136MPB
Series	811 series (811..-M)
Cage	MPB = Brass Cage
Accuracy class	PN (ABEC-1)
Rows NO.	One
Axial cylindrical roller and cage assemblies	K81136-M
Housing locating washer	GS81136
Shaft locating washer	WS81136
Weight [lb]	7.2752
C_a Axial Dynamic [lbf]	76244
C_0a Axial static [lbf]	292059
C_ua Axial Fatigue [lbf]	23867
n_B Speed ratings (grease) [rpm]	579
n_G Speed ratings (oil) [rpm]	1414
d φ Inside [inch]	7.0866
D Φ Outside [inch]	8.8582
T Thickness [inch]	1.3386
D₁ [inch]	7.2047
d₁ [inch]	8.7401
r(min.) [inch]	0.0433
Mounting dimensions
d_a [inch]	8.6220
D_a(max.) [inch]	7.2835
r_a(max.) [inch]	0.0433

The 81136MPB 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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81136MPB Axial Cylindrical Roller Bearings, Single Row, Single Direction, Brass Cage

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