Excavator Parts Bearing Swing Bearing/Ring

1. Introduction of LDB excavator slewing bearings
LDB is a professional manufacturer in slewing ring bearings since 1999. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer's different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
Excavator slewing bearing is a special slewing ring bearing as per its applications. And it is a very important part for excavators, we can supply excavator slewing bearings for both second-hand excavators for maintenance and new excavators.

2. Structure:
Excavator slewing bearing are usually made as per single row ball slewing bearing structure, and most of them are internal gear types, but some are external gear types.

3. Features
Excavator slewing bearings have familiar features as single row ball slewing ring bearings.
Compact structure, light weight and easily installment.

4. Application
Excavator slewing bearings are widely used for all brands of excavators, such as Komatsu, Hitachi, Kobelco, Sumitomo, Doosan, Hyundai, Samsung, Caterpillar, Daewoo, Kato, Volvo, Liebherr and so on.

5. Technical parameter for PC300-7
Bore diameter: 1235mm
Outside diameter: 1532
Used for Komatsu excavator PC300-7, more detailed information, pls contact us.


LDB bearings are specializing in excavator bearings, and can provide bearings for world famous excavators.
(Komatsu)
PC40-10, PW60-5, PC60-5, PC60-6, PC60-7, PC90-6, PC100-5, PC120-5, PC120-6, PC130-7, PC150-7, PC200-1, PC200-2, PC200-3, PC200-5, PC200-6, PC200-7, PC200-8, PC220-3, PC220-5, PC220-7, PC220-8, PC228, PC240-8, PC300-2, PC300-3, PC300-5, PC300-6, PC350-6, PC360-7, PC400-1, PC400-3, PC400-5, PC400-6, PC450-5, PC450-6, PC450-7, PC650

(Hitachi)
EX60-1, EX60-2, EX60-3, EX60-4, EX90, EX100-5, EX120-1, EX120-2, EX120-3, EX120-5, EX150, EX160WD, EX200-1, EX200-2, EX200-3, EX200-5, ZX200, ZX210, ZX225U, ZX230, ZX240, ZX270, EX300-1, EX300-2, EX300-3, EX300-5, ZX330, ZX350-5, ZX450H

(Caterpillar)
CAT110, CAT215, CAT215B, CAT225, CAT280, CAT200B, CAT305, CAT320B, CAT320C, CAT320D, CAT320L, CAT325, CAT325B, CAT325C, CAT330C

(Kobelco)
SK07-1 SK07-1-N2(thick) SK03 SK907B SK120-5 SK200-2 SK200-5
SK07-2 SK07-N2(thin) SK09 SK100 SK200-1 SK200-3 SK200-6

(Kato)
HD250-7 HD450-7 HD100 HD700-5 HD770SE HD770-2 HD820-1
HD450-5 HD516 HD700-2 HD700-7 HD770-1 HD800-7 HD900-7

(Sumitomo)
SH120A3 SH200A2 SH200C3 SH280 SH340 SH430
SH200A1 SH200A3 SH260 SH300 SH350 SH40T

(Doosan)
DH55 DH220-3 DH10L DH290 DH320
DH200-3 DH220-5 DH280 DH300-5 DH330-3

(Hyundai)
R55-7, R60-5, R60-7, R110-7, R130-5, R130-7, R170-5, R200-5, R200-7, R210-3, R215-7, R220-5, R225-7, R260LC-7, R290, R305LC-7, R300, R360

(Samsung)
PS132, PS210, MX08-2, PS292, SE210-LC2