20 TPS 104 Self-aligning Thrust Cylindrical Roller Bearing

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20 TPS 104

Bore Diameter:50.8 mm

Outside Diameter:185.725 mm

Width:46.038 mm

Weight:7.1 kg

Min. Order:1 Piece

The 20 TPS 104 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 20 TPS 104 bearing is a Self-aligning thrust cylindrical roller bearing with an inner diameter of 50.8 mm , an outer diameter of 185.725 mm, a width of 46.038 mm. It typically uses PN (ABEC-1) grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic axial rated load is approximately 398296 N, its static axial rated load is approximately 1696881 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

50.8 mm

Outside Diameter:

185.725 mm

Thickness:

46.038 mm

Weight:

7.1 KG

Dynamic load Capacity, axial:

398296 N

Static load Capacity, axial:

1696881 N

Limiting speed (Oil rpm):

1610

Specifications:

Old Designations:

20TPS104

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

Two or Three

Precision Rating:

PN (ABEC-1)

Bearing Material:

bearing steel

Rolling Mlement Material:

bearing steel

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 110 °C

System of Measurement:

Metric

Series:

TPS

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

20 TPS 104 bearings ( 50.8 mm x 185.725 mm x 46.038 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	20 TPS 104
Design type	TPS: Thrust cylindrical roller bearing with self-aligning washer
Bearing Type	Self-aligning thrust cylindrical roller bearing
Interchangeable	TIMKEN 20 TPS 104
Manufacturer Part Code	20TPS104
Series	TPS
Units	Metric
Tolerance class	PN (ABEC-1)
C_0a Axial Static [lbf]	381458
C_a Axial Dynamic [lbf]	89536
n_G Speed ratings (oil) [rpm]	1610
d φ Inside [inch]	2.0000
D Φ Outside [inch]	7.3120
T Width [inch]	1.8125
r Fillet Radius [inch]	0.0630
d₁ [inch]	2.0626
D₁ [inch]	6.9374
Rt Aligning Washer Radius [inch]	9.5000
E (Max) Shoulder Diameter Housing [inch]	4.2520
H (Min) Shoulder Diameter Shaft [inch]	6.4370
Weight [lb]	15.6527

The 20 TPS 104 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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