81292-M Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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81292-M

Bore Diameter:460 mm

Outside Diameter:620 mm

Width:130 mm

Weight:120 kg

Min. Order:1 Piece

The 81292-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 81292-M bearing is a Axial cylindrical roller bearings, Single direction, Single row with an inner diameter of 460 mm , an outer diameter of 620 mm, a width of 130 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 3695209 N, its static axial rated load is approximately 15498243 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: 81292-M , IB-446

Dimensions:

Inside Diameter:

460 mm

Outside Diameter:

620 mm

Thickness:

130 mm

Weight:

120 KG

Dynamic load Capacity, axial:

3695209 N

Static load Capacity, axial:

15498243 N

Fatigue Load Limit, Axial:

1076706 N

Reference speed (Grease rpm):

148

Limiting speed (Oil rpm):

501

Specifications:

Old Designations:

81292M

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:

812 series (812..-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

81292-M bearings ( 460 mm x 620 mm x 130 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	81292-M
Bearing Type	Axial cylindrical roller bearings, Single direction, Single row
Design	1
Equivalent	812 92 M
Series	812 series (812..-M)
Cage	M = Brass cage
Accuracy class	PN (ABEC-1)
Rows NO.	One
Axial cylindrical roller and cage assemblies	K81292-M
Housing locating washer	GS81292
Shaft locating washer	WS81292
Weight [lb]	264.5520
C_a Axial Dynamic [lbf]	830682
C_0a Axial static [lbf]	3484005
C_ua Axial Fatigue [lbf]	242043
n_B Speed ratings (grease) [rpm]	148
n_G Speed ratings (oil) [rpm]	501
d φ Inside [inch]	18.1102
D Φ Outside [inch]	24.4094
T Thickness [inch]	5.1181
B Width [inch]	1.5354
D₁ [inch]	18.3071
d₁ [inch]	24.2126
r(min.) [inch]	0.1969
Mounting dimensions
d_a [inch]	24.0551
D_a(max.) [inch]	19.6456
r_a(max.) [inch]	0.1969

The 81292-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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81292-M Axial Cylindrical Roller Bearings, Single Direction, Single Row, Brass Cage

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