Spherical Plain Bearings With Graphite

A spherical plain bearing, whose sliding contact surface is an inner spherical surface and an outer spherical surface.

Plain Spherical Bearing With Graphite – VIIPLUS

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It can rotate and swing at any angle when moving. The VIIPLUS graphite spherical 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 Of Graphite Spherical Bearing

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 Plain Bearings.
Applicable to large oscillating angles in circumferential oscillating motion.
Customized design can be made on your requirement.

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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

Maintenance-free Radial graphite spherical bearing | Applications

Oilless graphite spherical 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 plain spherical 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

Steel spherical bearing

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.

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Selection Of Bronze Plain Spherical Bearings

When selecting a Bronze Plain Spherical Bearings, 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.

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Plain Spherical 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 Bearings-015	15	26	12	9	22	4	8	6.5	0.5
Spherical Bearings-020	20	32	16	14	28	4	4	12.6	1.4
Spherical Bearings-025	25	42	21	18	36	4	5	21.8	2.5
Spherical Bearings-030	30	50	27	23	44	4	6	32	3.5
Spherical Bearings-035	35	55	30	26	49	4	5	43.7	4.8
Spherical Bearings-040	40	62	33	28	55	4	6	54.7	5.7
Spherical Bearings-045	45	72	36	31	62	4	5	69.7	7.2
Spherical Bearings-050	50	80	42	36	70	4	5	92.4	10
Spherical Bearings-060	60	100	53	45	90	4	6	143	16
Spherical Bearings-070	70	110	58	50	99	4	5	181	20
Spherical Bearings-080	80	130	70	60	115	4	6	254	30
Spherical Bearings-090	90	140	76	65	125	4	6	313	36
Spherical Bearings-100	100	160	88	75	145	6	6	544	64
Spherical Bearings-110	110	170	93	80	155	6	5	642	73
Spherical Bearings-120	120	190	105	90	170	6	6	797	94
Spherical Bearings-130	130	200	110	95	180	6	5	880	105
Spherical Bearings-140	140	210	90	70	180	6	7	668	56
Spherical Bearings-150	150	220	120	105	200	6	5	1135	129
Spherical Bearings-160	160	230	105	80	200	6	8	891	73
Spherical Bearings-180	180	260	105	80	225	6	6	1002	74
Spherical Bearings-200	200	290	130	100	250	6	7	1434	117
Spherical Bearings-220	220	320	135	100	275	6	8	1577	118
Spherical Bearings-240	240	340	140	100	300	9	8	1720	118
Spherical Bearings-260	260	370	150	110	325	9	7	2075	143
Spherical Bearings-280	280	400	155	120	350	9	6	2455	172
Spherical Bearings-300	300	430	165	120	375	9	7	2630	172