T770DW Double-acting Thrust Tapered Roller Bearing

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T770DW

Bore Diameter:180 mm

Outside Diameter:279.975 mm

Width:90 mm

Weight:18 kg

Min. Order:1 Piece

The T770DW Thrust angular contact ball bearings are mainly suitable for applications requiring high speed, low friction, and simultaneous axial and certain radial loads, such as fluid control valves, machine tool worktables and spindles, and rotary tables in the oil and gas drilling industry.

The T770DW bearing is a Double-acting thrust tapered roller bearing with an inner diameter of 180 mm , an outer diameter of 279.975 mm, a width of 90 mm. It typically uses PN (ABEC-1) grade precision tolerances and bearing steel rings, bearing steel rolling mlement. its static axial rated load is approximately 2984746 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

180 mm

Outside Diameter:

279.975 mm

Thickness:

90 mm

Weight:

18 KG

Static load Capacity, axial:

2984746 N

Specifications:

Structure:

Thrust Tapered Roller Bearings

Number of Rows:

Two

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:

Inch

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

T770DW bearings ( 180 mm x 279.975 mm x 90 mm) have the advantages of Composite load, high speed, high rigidity, and are therefore widely used in the rotary tables of oil and gas drilling rigs.

Part Number	T770DW
Design type	TTDK 1: Two single flat outer races; One double tapered inner race; Inner-ring bore keyway
Bearing Type	Double-acting thrust tapered roller bearing
Interchangeable	TIMKEN T770DW
Manufacturer Part Code	T770DW
Units	Inch
Tolerance class	PN (ABEC-1)
Thrust Race Number	Double
Cage type	P
C_0a Axial Static [lbf]	670970
Ca1 Dynamic (1 Million Revolutions) [lbf]	160107
Ca90 Dynamic (90 Million Revolutions) [lbf]	42212
d φ Inside [inch]	7.0866
D_o [inch]	11.0226
D_m [inch]	10.8268
T Width [inch]	3.5433
B [inch]	1.2530
r Fillet Radius [inch]	0.1299
R (Max) Shaft Fillet Radius [inch]	0.0591
d_a Mounting dimensions [inch]	7.5590
D_b Mounting dimensions [inch]	7.7165
f Keyway Dimensions [inch]	1.1811
r_k Keyway Dimensions [inch]	0.2362
Weight [lb]	39.6828

The T770DW Thrust angular contact ball bearings are mainly composed of precision-ground steel balls, hardened and ground steel raceways, and a brass (or bronze) cage. Their core characteristic is their ability to simultaneously withstand axial thrust loads and a certain amount of radial load, and they also feature low friction, quiet operation, and suitability for high-speed operation.

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T770DW Double-acting Thrust Tapered Roller Bearing

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