English 
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General introduction:
Single-row ball four-point contact ball slewing bearing is composed of two seat rings, with compact structure and light weight. The steel ball is in four-point contact with the arc raceway, and can bear axial force, radial force and overturning moment at the same time. Rotary conveyor, welding operator, small and medium-sized crane and excavator.
Gear type for excavator slewing bearing
Usually internal gear, and gear hardening, hardness is HRC45-55
Brands of excavators:
S.N. | Brand | S.N. | Brand |
1 | Komatsu | 14 | Sunward |
2 | Hitachi | 15 | Yuchai |
3 | Kobelco | 16 | Xiagong |
4 | CAT | 17 | Longgong |
5 | Kato | 18 | Casece |
6 | Sumitomo | 19 | Halla |
7 | Doosan | 20 | Ihi |
8 | Hyundai | 21 | Lovol |
9 | Liebherr | 22 | Huali |
10 | Volvo | 23 | Xcmg |
11 | Sany | 24 | JCB |
12 | Lishide | 25 | Lingong |
13 | Liugong | 26 | zhengyu |
Packing of excavator slewing ring
The inner and outer surfaces of the rotary table bearing shall be evenly coated with anti-rust lubricating oil on both sides of the bearing. The packaging shall be made of plastic film kraft paper, then wrapped with plastic file and finally packed in plywood cases.
Transportation of excavator slewing bearing
During transportation, the bearing shall be placed horizontally as far as possible, only slightly inclined, and large collision or vibration shall be avoided. After unpacking, screw the bearing into the lifting hole of the inner or outer ring with lifting bolts to carry it to the installation position.
General introduction:
Single-row ball four-point contact ball slewing bearing is composed of two seat rings, with compact structure and light weight. The steel ball is in four-point contact with the arc raceway, and can bear axial force, radial force and overturning moment at the same time. Rotary conveyor, welding operator, small and medium-sized crane and excavator.
Gear type for excavator slewing bearing
Usually internal gear, and gear hardening, hardness is HRC45-55
Brands of excavators:
S.N. | Brand | S.N. | Brand |
1 | Komatsu | 14 | Sunward |
2 | Hitachi | 15 | Yuchai |
3 | Kobelco | 16 | Xiagong |
4 | CAT | 17 | Longgong |
5 | Kato | 18 | Casece |
6 | Sumitomo | 19 | Halla |
7 | Doosan | 20 | Ihi |
8 | Hyundai | 21 | Lovol |
9 | Liebherr | 22 | Huali |
10 | Volvo | 23 | Xcmg |
11 | Sany | 24 | JCB |
12 | Lishide | 25 | Lingong |
13 | Liugong | 26 | zhengyu |
Packing of excavator slewing ring
The inner and outer surfaces of the rotary table bearing shall be evenly coated with anti-rust lubricating oil on both sides of the bearing. The packaging shall be made of plastic film kraft paper, then wrapped with plastic file and finally packed in plywood cases.
Transportation of excavator slewing bearing
During transportation, the bearing shall be placed horizontally as far as possible, only slightly inclined, and large collision or vibration shall be avoided. After unpacking, screw the bearing into the lifting hole of the inner or outer ring with lifting bolts to carry it to the installation position.
