Spherical Plain Bearings With Copper Alloy – VIIPLUS
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It can rotate and swing at any angle when moving. The VIIPLUS spherical plain bearing can greatly save time and reduce the difficulty of assembly.
Tilt Angle
The inclination angle of the spherical plain bearing is much larger than that of the general adjustable rolling bearing, and it is very suitable for use in the supporting parts with low concentricity requirements. The inclination angle of the spherical plain bearing varies with the size, type, sealing device and support form of the bearing structure
Cooperate
In any case, the selected fit of the spherical plain bearing shall not cause uneven deformation of the ring, and the selection of its fit and grade must be determined according to the working conditions such as bearing type, support form and load size.
Loading And Unloading
The assembly and disassembly of spherical plain bearings should follow the following principles, that is, the force exerted by assembly and disassembly cannot be transmitted directly through the spherical sliding surface. In addition, auxiliary loading and unloading tools, such as sleeves, disassemblers, etc., should be used to directly and uniformly apply the loading and unloading force exerted by the outside to the matching ferrule, or use auxiliary methods such as heating for unloaded loading and unloading.
Characteristics
- Maintenance-free features quite long service life.
- Conforms to ISO Standard E type bearings. High precision.
- The inner surface of the inner ring is subject to sliding. The outer surface of the outer ring bear self-aligning.
- Suitable for higher load than other self-lubricating spherical bearings.
- Applicable to large oscillating angles in circumferential oscillating motion.
- Customized design can be made on your requirement.


self lubricating
Oilless Spherical Plain Bearings, Self-Lubricated
Viiplus spherical plain bearings incorporate high-quality copper alloy-based metals with engineered solid lubricant plugs. which can rotate or swing in any direction.
Precise tolerances utilizing strategic plug location and plug compounds ensure performance delivery and lubrication-free service. This bearing style is available in standard inch, metric, and made-to-order sizes.
Material Structure
Stainless Steel, C45 Steel, Or Gcr15 Outer Ring.
Spherical Plain Bearing Inter Ring(CuZn25Al5, CuAl10Ni, CuSn12).
The benefits of oilless bronze bearings
Oilless Spherical Plain Bearing | Applications
Oilless Spherical Plain Bearings are widely used in engineering hydraulic cylinders, forging machine tools, engineering machinery, automation equipment, automotive shock absorbers, water conservancy machinery, and other industries. Spherical plain bearings, the basic type is composed of inner and outer rings with the spherical sliding spherical contact surface. According to its structure and type, it can bear radial load, axial load, or radial, axial simultaneous action of the combined load.

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Steel Outer W/ Copper Alloy Inner – Metric Series
Most spherical plain bearings have adopted special processing methods, such as surface phosphating, galvanizing, chrome plating or outer sliding surface lining, padding, spraying, etc., so they have greater load capacity and impact resistance, and have corrosion resistance, Wear-resistant, self-aligning, well lubricated or self-lubricating without contamination by lubricating dirt
When the sliding surface material of self-lubricating spherical plain bearings is steel, the permissible operating temperature depends on the permissible operating temperature of the lubricant.
Selection Of Spherical Plain Bearings
When selecting a spherical plain bearing, the load size, direction and transmission method of the spherical plain bearing, the movement mode of the spherical plain bearing, the working conditions, the lubrication method, the positioning (radial, axial), the required service life, installation and disassembly, etc. should be fully considered. Require.

Spherical Plain Bearings Size Chart
Standard No. | d(H7) | D1(h6) | B | C | D | b | Alignment Angle (α) |
Allowable Radial Load (kN) | Allowable Thrust Load (kN) |
Spherical Plain Bearings-015 | 15 | 26 | 12 | 9 | 22 | 4 | 8 | 6.5 | 0.5 |
Spherical Plain Bearings-020 | 20 | 32 | 16 | 14 | 28 | 4 | 4 | 12.6 | 1.4 |
Spherical Plain Bearings-025 | 25 | 42 | 21 | 18 | 36 | 4 | 5 | 21.8 | 2.5 |
Spherical Plain Bearings-030 | 30 | 50 | 27 | 23 | 44 | 4 | 6 | 32 | 3.5 |
Spherical Plain Bearings-035 | 35 | 55 | 30 | 26 | 49 | 4 | 5 | 43.7 | 4.8 |
Spherical Plain Bearings-040 | 40 | 62 | 33 | 28 | 55 | 4 | 6 | 54.7 | 5.7 |
Spherical Plain Bearings-045 | 45 | 72 | 36 | 31 | 62 | 4 | 5 | 69.7 | 7.2 |
Spherical Plain Bearings-050 | 50 | 80 | 42 | 36 | 70 | 4 | 5 | 92.4 | 10 |
Spherical Plain Bearings-060 | 60 | 100 | 53 | 45 | 90 | 4 | 6 | 143 | 16 |
Spherical Plain Bearings-070 | 70 | 110 | 58 | 50 | 99 | 4 | 5 | 181 | 20 |
Spherical Plain Bearings-080 | 80 | 130 | 70 | 60 | 115 | 4 | 6 | 254 | 30 |
Spherical Plain Bearings-090 | 90 | 140 | 76 | 65 | 125 | 4 | 6 | 313 | 36 |
Spherical Plain Bearings-100 | 100 | 160 | 88 | 75 | 145 | 6 | 6 | 544 | 64 |
Spherical Plain Bearings-110 | 110 | 170 | 93 | 80 | 155 | 6 | 5 | 642 | 73 |
Spherical Plain Bearings-120 | 120 | 190 | 105 | 90 | 170 | 6 | 6 | 797 | 94 |
Spherical Plain Bearings-130 | 130 | 200 | 110 | 95 | 180 | 6 | 5 | 880 | 105 |
Spherical Plain Bearings-140 | 140 | 210 | 90 | 70 | 180 | 6 | 7 | 668 | 56 |
Spherical Plain Bearings-150 | 150 | 220 | 120 | 105 | 200 | 6 | 5 | 1135 | 129 |
Spherical Plain Bearings-160 | 160 | 230 | 105 | 80 | 200 | 6 | 8 | 891 | 73 |
Spherical Plain Bearings-180 | 180 | 260 | 105 | 80 | 225 | 6 | 6 | 1002 | 74 |
Spherical Plain Bearings-200 | 200 | 290 | 130 | 100 | 250 | 6 | 7 | 1434 | 117 |
Spherical Plain Bearings-220 | 220 | 320 | 135 | 100 | 275 | 6 | 8 | 1577 | 118 |
Spherical Plain Bearings-240 | 240 | 340 | 140 | 100 | 300 | 9 | 8 | 1720 | 118 |
Spherical Plain Bearings-260 | 260 | 370 | 150 | 110 | 325 | 9 | 7 | 2075 | 143 |
Spherical Plain Bearings-280 | 280 | 400 | 155 | 120 | 350 | 9 | 6 | 2455 | 172 |
Spherical Plain Bearings-300 | 300 | 430 | 165 | 120 | 375 | 9 | 7 | 2630 | 172 |
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