Four Point Contact Single Row Ball Slewing Bearing For Trailers

 China Four Point Contact Single Row Ball Slewing Bearing For Trailers supplier

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Product Description

Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that able to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;
On the other hand, slewing ring bearing itself has characteristics of compact structure, guide rotating convenient, easy to install and maintaining easily.
1.Gear Heat Treatment

2. Structure
2.1 Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing ring bearings
Double row ball slewing ring bearings
Crossed roller slewing ring bearings
Three row roller slewing ring bearings
Flange slewing ring bearings
2.2 The above slewing ring bearings can also be divided into three different types as per different transmissions:
Slewing ring bearings with no gear
Slewing ring bearings with external gear
Slewing ring bearings with internal gear

No. Basic Type Boundary Size Bolt hole diameter Structural Size Gear Data Ext Gear Data Int Gear Data
None-gear Ext Gear Int Gear D d H D1 D2 dn1
dn2
dm1
dm2
L n n1 H1 h b m de z de z
mm mm mm
1 130.25.500 131.25.500 133.25.500 634 366 148 598 402 18 M16 32 24 4 138 32 80 5 664 130 337 68
132.25.500 134.25.500 6 664.8 108 338.4 57
2 130.25.560 131.25.560 133.25.560 694 426 658 462 5 724 142 397 80
132.25.560 134.25.560 6 724.8 118 398.4 67
3 130.25.630 131.25.630 133.25.630 764 496 728 532 28 808.8 132 458.4 77
132.25.630 134.25.630 8 806.4 98 459.2 58
4 130.25.710 131.25.710 133.25.710 844 576 808 612 6 886.8 145 536.4 90
132.25.710 134.25.710 8 886.4 108 539.2 68
5 130.32.800 131.32.800 133.32.800 964 636 182 920 680 22 M20 40 36 172 40 120 1006.4 123 595.2 75
132.32.800 134.32.800 10 1008 98 594 60
6 130.32.900 131.32.900 133.32.900 106 736 1020 780 8 1102.4 135 691.2 87
132.32.900 134.32.900 10 1108 108 694 70
7 130.32.1000 131.32.1000 133.32.1000 1164 836 1120 880 40 5 1218 119 784 79
132.32.1000 134.32.1000 12 1221.6 99 784.8 66
8 130.32.1120 131.32.1120 133.32.1120 1284 956 1240 1000 10 1338 131 904 91
132.32.1120 134.32.1120 12 1341.6 109 904.8 76
9 130.40.1250 134.40.1250 133.40.1250 1445 1055 220 1393 1107 26 M24 48 45 210 50 150 1509.6 123 988.8 83
132.40.1250 134.40.1250 14 1509.2 105 985.6 71
10 130.40.1400 131.40.1400 133.40.1400 1595 1205 1543 1257 12 1665.6 136 1144.8 96
132.40.1400 134.40.1400 14 1663.2 116 1139.6 82
11 130.40.1600 131.40.1600 133.40.1600 1795 1405 1743 1457 48 6 14 1873.2 131 1335.6 96
132.40.1600 134.40.1600 16 1868.8 114 1334.4 84
12 130.40.1800 131.40.1800 133.40.1800 1995 1605 1943 1657 14 2069.2 145 1531.6 110
132.40.1800 134.40.1800 16 2076.8 127 1526.4 96
13 130.45.2000 131.45.2000 133.45.2000 2221 1779 231 2155 1845 33 M30 60 60 219 54 160 2300.8 141 1702.4 107
132.45.2000 134.45.2000 18 2300.4 125 1699.2 95
14 130.45.2240 131.45.2240 133.45.2240 2461 2019 2395 2085 16 2556.8 157 1926.4 121
132.45.2240 134.45.2240 18 2552.4 139 1933.2 108
15 130.45.2500 131.45.2500 133.45.2500 2721 2279 2655 2345 72 8 2822.4 154 2185.2 122
132.45.2500 134.45.2500 20 2816 138 2188 110
16 130.45.2800 131.45.2800 133.45.2800 3021 2579 2955 2645 18 3110.4 170 2491.2 139
132.45.2800 133.45.2800 20 3116 153 2488 125
17 130.50.3150 131.50.3150 133.50.3150 3432 2868 270 3342 2958 45 M42 84 258 65 180 3536 174 2768 139
132.50.3150 134.50.3150 22 3537.6 158 2758.8 126
18 130.50.3550 131.50.3550 133.50.3550 3832 3268 3742 3358 20 3936 194 3168 159
132.50.3550 134.50.3550 22 3933.6 176 3154.8 144
19 130.50.4000 131.50.4000 133.50.4000 4282 3718 4192 3808 80 4395.6 197 3116.8 165
132.50.4000 134.50.4000 25 4395 173 3610 145
20 130.50.4500 131.50.4500 133.50.4500 4782 4218 4692 4308 22 4901.6 220 4122.8 188
132.50.4500 134.50.4500 25 4895 193 4110 165

3. Features:
Slewing ring bearings have more features: compact structure, reliable guide, simple installation, and easily maintenance

4. Application:
Slewing ring bearings can be widely used in lifting & transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments and other large rotary device
Single row ball slewing ring bearing:

1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at four points, via which the axial force, radial force and resultant moment may be born simultaneously.

2.2. Structure
Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing bearing has three different types:
Single row ball slewing bearing with no gear
Single row ball slewing bearing with external gear
Single row ball slewing bearing with internal gear
Single row ball slewing ring bearing

1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at four points, via which the axial force, radial force and resultant moment may be born simultaneously.

2. Structure

Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing bearing has three different types:
Single row ball slewing bearing with no gear
Single row ball slewing bearing with external gear
Single row ball slewing bearing with internal gear

3. Features
Single row ball slewing ring bearings have following features:
Compact in structure and light in weight.

4. Application:
Single row ball slewing ring bearings are widely used in slewing conveyers, welding arm and positioned, medium duty cranes, excavators and other engineering machines
Double row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.

The double row ball slewing bearing has three seat-rings. The steel balls and the retainers may be directly arranged into the upper and lower racers. Two rows of steel balls with different diameters are fitted according to the force. Such open type fitting is extraordinary convenient, the loading angels at upper and lower races are 90°which can carry both of the axial force and capsizing moment. When the radial force is larger than 1/10 of the axial force, the races should be newly designed.

2. Structure:
Double row ball slewing bearing has three different types:
Double row ball slewing bearing with no gear
Double row ball slewing bearing with external gear
Double row ball slewing bearing with internal gear

3. Features:
Double row ball slewing ring bearings have following features:
Larger dimension of axial and radial and compact structure.

4. Application:
Double row ball slewing ring bearings are widely used in Tower cranes which require working radius over medium range, auto crane and loading (unloading) machinery.
Double row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.

The double row ball slewing bearing has three seat-rings. The steel balls and the retainers may be directly arranged into the upper and lower racers. Two rows of steel balls with different diameters are fitted according to the force. Such open type fitting is extraordinary convenient, the loading angels at upper and lower races are 90°which can carry both of the axial force and capsizing moment. When the radial force is larger than 1/10 of the axial force, the races should be newly designed.

2. Structure:
Double row ball slewing bearing has three different types:
Double row ball slewing bearing with no gear
Double row ball slewing bearing with external gear
Double row ball slewing bearing with internal gear

3. Features:
Double row ball slewing ring bearings have following features:
Larger dimension of axial and radial and compact structure.

4. Application:
Double row ball slewing ring bearings are widely used in Tower cranes which require working radius over medium range, auto crane and loading (unloading) machinery.
Crossed roller slewing ring bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.

With the cross roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90° groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads. Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines.

2. Structure:
Cross roller slewing bearing has three different types:
Cross roller ball slewing bearing with no gear
Cross roller ball slewing bearing with external gear
Cross roller ball slewing bearing with internal gear

3. Features
Cross roller slewing ring bearings have following features:
1. High precision: cross roller bearings can be made high precision bearings, at P4, P2.
2. High rigidity: These series roller bearings are with preload.
3. High load capacity: This series roller bearing can support axial load, radial load, and tilting load.
4. Small volume: this series roller bearing can save space for the machine.

4. Application
Cross roller slewing rings are widely applied in the precision rotary table, rotary joint of manipulator, medical equipment, and measuring instrument etc
Triple row roller slewing ring bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.

Three row roller slewing ring bearing has three seat-rings, which separate the upper, lower and radial raceway, via which the load of each row of the rollers may be specified. Thus it can carry different load simultaneously and its load capacity is the largest one of the four types

2. Structure:
Triple row roller slewing bearing has three different types:
Triple row roller slewing bearing with no gear
Triple row roller slewing bearing with external gear
Triple row roller slewing bearing with internal gear

3. Features
Triple row roller slewing ring bearings have following features:
Larger axial and radial dimension, compact structure

4. Application
Triple row roller slewing rings are widely used in heavy-duty machines which require large working radius, such as bucket-wheel excavators, wheeled cranes, ship cranes, ladle turret, auto cranes etc.

Flange Slewing Bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.

Flange slewing bearing is a special slewing ring bearing, it can have one flange in the outer ring, or one flange in the inner ring, even it can have one flange in both inner ring and outer ring.

2. Structure:
Flange slewing bearing has three different types:
Flange slewing bearing with no gear
Flange slewing bearing with external gear
Flange slewing bearing with internal gear

3. Features
Flange slewing bearings have following features:
Compact structure and easily installment.

4. Application
Flange slewing bearings are widely used in tow truck, and other applications are the same as slewing bearings, such as lifting & transport machinery, mining machinery, construction machinery, excavator, concrete machine, paper machine, plastic and rubber machine and steel plant.

Excavator Slewing 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 Hitachi, Kobelco, Sumitomo, Doosan, Hyundai, Samsung, Daewoo, Kato, Volvo and so on.


The suitable temperature and working environment for slewing bearing
The slewing bearing produced by our company can work normally at -300C.~+ 700C. If users need to adapt to lower or higher temperature support, our engineering technicians can design for you. If the slewing bearing are used in particularly hostile environment, such as Marine c1imate, dust or abrasive particles (dust, cement, coal powder) etc. Special sealing rings, protective devices, and proper oil paths must be selected. Therefore, we hope users to do the daily maintenance work to make your slewing bearing function normally

The suitable temperature and working environment for slewing bearing
The slewing bearing produced by our company can work normally at -300C.~+ 700C. If users need to adapt to lower or higher temperature support, our engineering technicians can design for you. If the slewing bearing are used in particularly hostile environment, such as Marine c1imate, dust or abrasive particles (dust, cement, coal powder) etc. Special sealing rings, protective devices, and proper oil paths must be selected. Therefore, we hope users to do the daily maintenance work to make your slewing bearing function normally

Installation of slewing bearing
1.
Handling and transportation .The slewing bearing must be handled carefully

.Transportation and storage of slewing bearing should be held horizontally and stored in a dry room

.For hoisting lift bolt is suitable and please move it horizontally , do not hit anything, especially the direction collision

.The slewing bearing surface is covered with antitrust agent, whose rust proof life is usually six months For those whose storage

life of more than six months (such as accessories) should take the antitrust package or other storage measures again

2.Installing support requirements .Generally, install matching support adopts tubular structure , the cylinder's wall should be better

aligned at the center of the raceway

Packing &Shipping
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We are China Four Point Contact Single Row Ball Slewing Bearing For Trailers manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

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