A-6888-C Double-acting Thrust Tapered Roller Bearing Brass Cage

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A-6888-C

Bore Diameter:336.15 mm

Outside Diameter:629.93 mm

Width:318.613 mm

Weight:513 kg

Min. Order:1 Piece

The A-6888-C 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 A-6888-C bearing is a Double-acting thrust tapered roller bearing with an inner diameter of 336.15 mm , an outer diameter of 629.93 mm, a width of 318.613 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 18796008 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

336.15 mm

Outside Diameter:

629.93 mm

Thickness:

318.613 mm

Weight:

513 KG

Static load Capacity, axial:

18796008 N

Specifications:

Structure:

Thrust Tapered Roller Bearings

Number of Rows:

Two

Precision Rating:

PN (ABEC-1)

Bearing Material:

bearing steel

Cage Type:

brass cage

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

A-6888-C bearings ( 336.15 mm x 629.93 mm x 318.613 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	A-6888-C
Design type	TTDFLK 2: Two single tapered outer races; One flat inner race.; Inner-ring face keyway (optional); One outer-ring spacer with oil slots.
Bearing Type	Double-acting thrust tapered roller bearing
Interchangeable	TIMKEN A-6888-C
Manufacturer Part Code	A-6888-C
Cage	brass cage
Units	Inch
Tolerance class	PN (ABEC-1)
Thrust Race Number	Single
Cage type	MB
C_0a Axial Static [lbf]	4225342
Ca1 Dynamic (1 Million Revolutions) [lbf]	942553
Ca90 Dynamic (90 Million Revolutions) [lbf]	244446
d φ Inside [inch]	13.2342
D_o [inch]	24.8003
D_m [inch]	22.7150
T Width [inch]	12.5438
B [inch]	5.1181
r Fillet Radius [inch]	0.5118
R (Max) Shaft Fillet Radius [inch]	0.1575
d_a Mounting dimensions [inch]	15.9449
D_b Mounting dimensions [inch]	23.1692
f Keyway Dimensions [inch]	1.9685
b Keyway Dimensions [inch]	0.9843
Weight [lb]	1130.9598

The A-6888-C 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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A-6888-C Double-acting Thrust Tapered Roller Bearing Brass Cage

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