S-4745-A Thrust Cylindrical Roller Bearing, Window-type Steel Cage

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S-4745-A

Bore Diameter:695.579 mm

Outside Diameter:964.514 mm

Width:127.127 mm

Weight:303 kg

Min. Order:1 Piece

The S-4745-A 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 S-4745-A bearing is a Thrust cylindrical roller bearing with an inner diameter of 695.579 mm , an outer diameter of 964.514 mm, a width of 127.127 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 6639864 N, its static axial rated load is approximately 37638338 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

695.579 mm

Outside Diameter:

964.514 mm

Thickness:

127.127 mm

Weight:

303 KG

Dynamic load Capacity, axial:

6639864 N

Static load Capacity, axial:

37638338 N

Limiting speed (Oil rpm):

281

Specifications:

Structure:

Cylindrical Roller Thrust Bearings

Number of Rows:

Two or Three

Precision Rating:

PN (ABEC-1)

Bearing Material:

bearing steel

Cage Type:

window-type steel cage

Rolling Mlement Material:

bearing steel

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 110 °C

System of Measurement:

Metric

Series:

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

S-4745-A bearings ( 695.579 mm x 964.514 mm x 127.127 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	S-4745-A
Design type	TP: Two or three cylindrical rollers per cage pocket
Bearing Type	Thrust cylindrical roller bearing
Interchangeable	TIMKEN S-4745-A
Manufacturer Part Code	S4745A
Series	TP
Cage	window-type steel cage
Units	Metric
Tolerance class	PN (ABEC-1)
C_0a Axial Static [lbf]	8461098
C_a Axial Dynamic [lbf]	1492641
n_G Speed ratings (oil) [rpm]	281
d φ Inside [inch]	27.3849
D Φ Outside [inch]	37.9729
T Width [inch]	5.0050
T₁ Cage Position [inch]	1.2500
r Fillet Radius [inch]	0.2992
d₁ [inch]	27.3850
D₁ [inch]	37.9728
E (Max) Shoulder Diameter Housing [inch]	29.2204
H (Min) Shoulder Diameter Shaft [inch]	36.7795
Weight [lb]	667.9938

The S-4745-A 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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S-4745-A Thrust Cylindrical Roller Bearing, Window-type Steel Cage

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