81176-M Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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81176-M

Bore Diameter:380 mm

Outside Diameter:460 mm

Width:65 mm

Weight:27.7 kg

Min. Order:1 Piece

The 81176-M 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 81176-M bearing is a Axial cylindrical roller bearings, Single direction, Single row with an inner diameter of 380 mm , an outer diameter of 460 mm, a width of 65 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 1167034 N, its static axial rated load is approximately 5390784 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: 811 76 M

Dimensions:

Inside Diameter:

380 mm

Outside Diameter:

460 mm

Thickness:

65 mm

Weight:

27.7 KG

Dynamic load Capacity, axial:

1167034 N

Static load Capacity, axial:

5390784 N

Fatigue Load Limit, Axial:

417119 N

Reference speed (Grease rpm):

235

Limiting speed (Oil rpm):

673

Specifications:

Old Designations:

81176M

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

One

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:

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

81176-M bearings ( 380 mm x 460 mm x 65 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	81176-M
Bearing Type	Axial cylindrical roller bearings, Single direction, Single row
Design	1
Equivalent	811 76 M
Series	811 series (811..-M)
Cage	M = Brass cage
Accuracy class	PN (ABEC-1)
Rows NO.	One
Axial cylindrical roller and cage assemblies	K81176-M
Housing locating washer	GS81176
Shaft locating washer	WS81176
Weight [lb]	61.0674
C_a Axial Dynamic [lbf]	262349
C_0a Axial static [lbf]	1211848
C_ua Axial Fatigue [lbf]	93768
n_B Speed ratings (grease) [rpm]	235
n_G Speed ratings (oil) [rpm]	673
d φ Inside [inch]	14.9606
D Φ Outside [inch]	18.1102
T Thickness [inch]	2.5591
B Width [inch]	0.7874
D₁ [inch]	15.1181
d₁ [inch]	17.9527
r(min.) [inch]	0.0787
Mounting dimensions
d_a [inch]	17.8740
D_a(max.) [inch]	15.5118
r_a(max.) [inch]	0.0787

The 81176-M 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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81176-M Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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