812 09 TN Axial Cylindrical Roller Bearings, Single Row, Single Direction, Plastic Cage

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812 09 TN

Bore Diameter:45 mm

Outside Diameter:73 mm

Width:20 mm

Weight:0.287 kg

Min. Order:1 Piece

The 812 09 TN 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 812 09 TN bearing is a Axial cylindrical roller bearings, Single row, single direction with an inner diameter of 45 mm , an outer diameter of 73 mm, a width of 20 mm. It typically uses PN (ABEC-1) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 104008 N, its static axial rated load is approximately 262475 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: 812 09 TN , 81209TVPB

Dimensions:

Inside Diameter:

45 mm

Outside Diameter:

73 mm

Thickness:

20 mm

Weight:

0.287 KG

Dynamic load Capacity, axial:

104008 N

Static load Capacity, axial:

262475 N

Fatigue Load Limit, Axial:

22800 N

Reference speed (Grease rpm):

1803

Limiting speed (Oil rpm):

4843

Specifications:

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

One

Precision Rating:

PN (ABEC-1)

Bearing Material:

GCr15SiMn

Cage Type:

TN = Plastic cage made from glass fibre reinforced polyamide 66

Rolling Mlement Material:

GCr15SiMn

Bore Type:

Cylindrical bore

Operating Temperature:

-20 to 120 °C

System of Measurement:

Metric

Series:

812 series (812..-TV)

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

812 09 TN bearings ( 45 mm x 73 mm x 20 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	812 09 TN
Bearing Type	Axial cylindrical roller bearings, Single row, single direction
Equivalent	812 09 TN , 81209TVPB
Series	812 series (812..-TV)
Cage	TN = Plastic cage made from glass fibre reinforced polyamide 66
Accuracy class	PN (ABEC-1)
Rows NO.	One
Axial cylindrical roller and cage assemblies	K81209-TV
Housing locating washer	GS81209
Shaft locating washer	WS81209
Bearing washer	LS6590
Weight [lb]	0.6327
C_a Axial Dynamic [lbf]	23380
C_0a Axial static [lbf]	59004
C_ua Axial Fatigue [lbf]	5125
n_B Speed ratings (grease) [rpm]	1803
n_G Speed ratings (oil) [rpm]	4843
d φ Inside [inch]	1.7717
D Φ Outside [inch]	2.8740
T Thickness [inch]	0.7874
D₁ [inch]	1.8504
d₁ [inch]	2.8740
r(min.) [inch]	0.0394
Mounting dimensions
d_a [inch]	2.7559
D_a(max.) [inch]	1.8898
r_a(max.) [inch]	0.0394

The 812 09 TN 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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812 09 TN Axial Cylindrical Roller Bearings, Single Row, Single Direction, Plastic Cage

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