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Low Vibration Komatsu excavator slewing ring bearing PC300-2 / PC300-3 / PC300-5 / PC300-6

S&G Engineering Solutions Ltd.
S&G Engineering Solutions Ltd.
City: Xuzhou
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-85165903
Contact Person:
Mr Steven Lee

Low Vibration Komatsu excavator slewing ring bearing PC300-2 / PC300-3 / PC300-5 / PC300-6

Brand Name : S&G
Model Number : RB25025
Certification : CE//SGS
Place of Origin : China
MOQ : 1pcs
Price : negotiation
Payment Terms : T/T ,LC,Paypal, western Union, D/A, D/P
Supply Ability : 1500pcs per month
Delivery Time : 10~15 working days after received your payment
Packaging Details : Wrapped three time, reinforced with wooden case
Type : Cross Roller bearing
Material : 42CrMo/50Mn
Gear Options : No Gear
Working temperature : -25 up to +70°C
Heat Treatment : Rings Quenching
Seals Type : Rubber
OEM service : Available
Weight : 5kg
Precision : H8
Warranty : one year
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Low Vibration Slew Bearing excavator ,Komatsu PC300-2/PC300-3/PC300-5/PC300-6 Bearings

Naming of slewing bearing
0 1 2 . 40. 1000
| | | | |
| | | | |
| | | | |_ _ _ _ mm diameter of rolling center
| | | |
| | | |_ _ _ _ __ _ mm diameter of rolling element
| | |
| | |
| | |_ _ _ _ __ _ _ _ _ Driving type code
| | 0--No gears
| | 1--External gear with small module
| | 2--External gear with big module
| | 3--Internal gear with small module
| | 4--Internal gear with big module
| |
| |
| |_ _ _ _ __ _ _ _ _ _ Type of raceway structure
| 1--Single row raceway
| 2--Double row raceway
| 3--Three row raceway
|_ _ _ _ __ _ _ _ _ _ _ _Structure type of slewing bearing
0--Ball structure
1--Roller structure
2--Roller and ball structure


1. Feature: Low noise and low vibration,
2. High Precision
3. Safety & Durability
3. Quick & Easy Installation
4. Certificate: ISO, DNV, CCS, SGS
5. Fast delivery, best quality, reasonable price

Single Row Four Point Contact Ball Slewing Bearing......( 01/HS/Q series )

Single Row Four Point Contact Ball Slewing Bearing

is composed of 2 seat rings.It features compact in

design, and light in weight.The balls contact with

the circular race at four points,via which the axial

force,radial force and resultant moment may be

born simultaneously.

It can be used for slewing conveyer, welding

manipulator, light & medium duty crane,

excavator, and other construction machinery,

welding arms and positioners, light,medium

duty cranes,excavators and other

engineering machines.

Single Row Crossed Roller Slewing Bearing...... ( 11/HJ series )

The Single Row Crossed Roller Slewing Bearing is

composed of two seat-rings. It features compact

in design, light in weight,high precision and small

fitting clearance. As the rollers are 1:1cross

arranged,it is suitable for high precision mounting

and capable to bear axial force,resultant moment

and considerable large radial force.

The single-row crossed roller Slewing Bearings

are widely used for hoisting,transporting,

engineering machines as well as for military


Double Row Ball Slewing Bearings ...... ( 02 series )

The Double Row Ball Slewing Bearing has three seat

rings.The steel balls and the spacers may be directly

arranged into the upper and lower races.Two rows

of steel balls with different diameters are fitted

according to the force bom. Such open mode fitting

features extraordinary convenience.The load angles

of both upper and lower races are 90°,which enable

the bearing to bear large axial force and the tipping moment.

When the radial force is larger than 1/10 of the axial force

the races should be newly designed.

As the axle and the dimension of the double

row ball slewing bearing are rather large,the

bearing construction is sturdy ,hence it is

especially suitable for tower cranes which

require working radius over medium range,

mobile cranes and loading and unloading


Three Row Roller Slewing Bearings...... ( 13 series )

The Three Row Roller Slewing Bearing has three

seat-rings, which separate the upper,lower and

radial races,via which the load of each row of the

rollers may be specified.It may bear different loads

simultaneously and its load capacity is the largest

one among the four models.

Thanks to the large size of its axle and

radius, it is sturdy and especially suitable

for heavy-duty machines which require large

working radius, such as bucket-wheel

excavators, wheeled cranes, ship cranes,

ladle turrets, heavy duty mobile cranes etc.

Light Type Slewing Bearings ...... ( 06/23 )

The light type (thin section) slewing bearing has

the dame structure with the ordinary slewing

bearing, but the weight is light, and rotate flexibly.

Widely used in the food machinery, canning

machinery and environment machinery, and etc.

Product Tags:

Four Point Contact Bearing


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Low Vibration Komatsu excavator slewing ring bearing PC300-2 / PC300-3 / PC300-5 / PC300-6 Images

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