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Ningbo Breeze Machinery(Parts) Corp., Ltd.

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Spherical Plain Bearing

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Spherical Plain Bearing

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Spherical Plain Bearings are self-aligning spherical plain bushings that have inner and outer rings with spherical sliding surfaces, and can take a large radial load and a bi-directional axial load at the same time.

There are many types of Spherical Plain Bearings, but they are basically divided into steel-on-steel types and maintenance-free types according to the kind of sliding surfaces.

Steel-on-steel Spherical Plain Bearings have inner and outer rings of high carbon chromium bearing steel, of which sliding surfaces are phosphate-treated and then dry-coated with molybdenum disulfide (MoS2). They can, therefore, operate with low torque, and have excellent wear resistance and large load capacity.

Spherical Plain Bearings are especially suitable for applications where there are alternate loads and shock loads. They have wide applications mainly in industrial and construction machinery.

Maintenance-free Spherical Plain Bearings consist of an outer ring which has a special PTFE liner reinforced with copper alloy meshes on the sliding surface, and a spherical inner ring of which sliding surface has a hard chromium plating. Creep deformation due to compressive load is small, and wear resistance is superior. Thus, they are maintenance-free and can be used for extended periods of time without re-lubrication.

They are especially suitable in cases where fixed directional loads are applied and are used mainly in food processing machines and construction machinery and in other applications in which the use of oil is undesirable or lubrication is not possible.

Boundary dimensions(mm)								Mass	Bearing Number
d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
4	12	5	3	8	0.3	0.3	16	0.003	GE4C
5	14	6	4	10	0.3	0.3	13	0.005	GE5C
6	14	6	4	10	0.3	0.3	13	0.004	GE6C
8	16	8	5	13	0.3	0.3	15	0.008	GE8C
10	19	9	6	16	0.3	0.3	12	0.011	GE10C
12	22	10	7	18	0.3	0.3	10	0.015	GE12C
15	26	12	9	22	0.3	0.3	8	0.027	GE15C
17	30	14	10	25	0.3	0.3	10	0.041	GE17C
20	35	16	12	29	0.3	0.3	9	0.066	GE20C
25	42	20	16	35.5	0.6	0.6	7	0.119	GE25C
30	47	22	18	40.7	0.6	0.6	6	0.163	GE30C

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
4	14	7	4	10	0.3	0.3	20	0.005	GEG4C
5	16	9	5	10	0.3	0.3	21	0.008	GEG5C
6	16	9	5	13	0.3	0.3	21	0.006	GEG6C
8	19	11	6	16	0.3	0.3	21	0.014	GEG8C
10	22	12	7	18	0.3	0.3	18	0.021	GEG10C
12	26	15	9	22	0.3	0.3	18	0.033	GEG12C
15	30	16	10	25	0.3	0.3	16	0.049	GEG15C
17	35	20	12	29	0.3	0.3	19	0.083	GEG17C
20	42	25	16	35.5	0.3	0.3	17	0.153	GEG20C
25	47	28	18	40.7	0.6	0.6	17	0.203	GEG25C
30	55	32	20	47	0.6	0.6	17	0.304	GEG30C

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
4.83	14.29	7.14	5.54	10.31	0.3	0.38	11	0.006	GEFZ4C
6.35	16.67	8.71	6.35	12.7	0.3	0.56	13.5	0.01	GEFZ6C
7.94	19.05	9.53	7.14	14.27	0.3	0.81	12	0.014	GEFZ7C
9.53	20.64	10.31	7.92	16.66	0.3	0.81	10	0.017	GEFZ9C
11.11	23.02	11.1	8.71	17.45	0.3	0.81	8	0.021	GEFZ11C
12.7	25.4	12.7	9.91	20.65	0.3	0.81	9.5	0.029	GEFZ12C
14.29	27.78	14.27	11.1	23.01	0.3	0.81	9.5	0.039	GEFZ14C
15.88	30.16	15.88	12.7	25.4	0.3	0.81	9.5	0.05	GEFZ15C
19.05	36.51	19.05	15.06	30.15	0.3	1.12	9	0.093	GEFZ19C
22.23	39.69	22.23	17.86	33.32	0.6	1.12	9.5	0.119	GEFZ22C
25.4	44.45	25.4	20.24	38.1	0.6	1.12	10	0.175	GEFZ25C

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
15	26	12	9	22	0.3	0.3	8	0.027	GE15ET-2RS
17	30	14	10	25	0.3	0.3	10	0.041	GE17ET-2RS
20	35	16	12	29	0.3	0.3	9	0.066	GE20ET-2RS
25	42	20	16	35.5	0.6	0.6	7	0.119	GE25ET-2RS
30	47	22	18	40.7	0.6	0.6	6	0.153	GE30ET-2RS
35	55	25	20	47	0.6	1	6	0.233	GE35ET-2RS
40	62	28	22	53	0.6	1	7	0.306	GE40ET-2RS
45	68	32	25	60	0.6	1	7	0.427	GE45ET-2RS
50	75	35	28	66	0.6	1	6	0.546	GE50ET-2RS
55	85	40	32	74	0.6	1	7	0.939	GE55ET-2RS
60	90	44	36	80	1	1	6	1.04	GE60ET-2RS
70	105	49	40	92	1	1	6	1.55	GE70ET-2RS
80	120	55	45	105	1	1	6	2.31	GE80ET-2RS
90	130	60	50	115	1	1	5	2.75	GE90ET-2RS
100	150	70	55	130	1	1	7	4.45	GE100ET-2RS
110	160	70	55	140	1	1	6	4.82	GE110ET-2RS
120	180	85	70	160	1	1	6	8.05	GE120ET-2RS

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
140	210	90	70	180	1	1	7	11.02	GE140XT-2RS
160	230	105	80	200	1	1	8	14.01	GE160XT-2RS
180	260	105	80	225	1.1	1.1	6	18.65	GE180XT-2RS
200	290	130	100	250	1.1	1.1	7	28.03	GE200XT-2RS
220	320	135	100	275	1.1	1.1	8	35.51	GE220XT-2RS
240	340	140	100	300	1.1	1.1	8	39.91	GE240XT-2RS
260	370	150	110	325	1.1	1.1	7	51.54	GE260XT-2RS
280	400	155	120	350	1.1	1.1	6	65.06	GE280XT-2RS
300	430	165	120	375	1.1	1.1	7	78.07	GE300XT-2RS

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
15	30	16	10	25	0.3	0.3	16	0.049	GEG15ET-2RS
17	35	20	12	29	0.3	0.3	19	0.083	GEG17ET-2RS
20	42	25	16	35.5	0.3	0.6	17	0.153	GEG20ET-2RS
25	47	28	18	40.7	0.6	0.6	17	0.203	GEG25ET-2RS
30	55	32	20	47	0.6	1	17	0.304	GEG30ET-2RS
35	62	35	22	53	0.6	1	16	0.408	GEG35ET-2RS
40	68	40	25	60	0.6	1	17	0.542	GEG40ET-2RS
45	75	43	28	66	0.6	1	15	0.713	GEG45ET-2RS
50	90	56	36	80	0.6	1	17	1.14	GEG50ET-2RS
60	105	63	40	92	1	1	17	2.05	GEG60ET-2RS
70	120	70	45	105	1	1	16	3.01	GEG70ET-2RS
80	130	75	50	115	1	1	14	3.64	GEG80ET-2RS
90	150	85	55	130	1	1	15	5.22	GEG90ET-2RS
100	160	85	55	140	1	1	14	6.05	GEG100ET-2RS
110	180	100	70	160	1	1	12	9.68	GEG110ET-2RS

d	D	B	C	dk	rs min	r1s min	ï¿½ï¿½BR	Kg
120	210	115	70	180	1	1	16	14.01	GEG120XT-2RS
140	230	130	80	200	1	1	16	19.01	GEG140XT-2RS
160	260	135	80	225	1.1	1.1	16	20.02	GEG160XT-2RS
180	290	155	100	250	1.1	1.1	14	32.21	GEG180XT-2RS
200	320	165	100	275	1.1	1.1	15	45.28	GEG200XT-2RS
220	340	175	100	300	1.1	1.1	16	51.12	GEG220XT-2RS
240	370	190	110	325	1.1	1.1	15	65.12	GEG240XT-2RS
260	400	205	120	350	1.1	1.1	15	82.44	GEG260XT-2RS
280	430	210	120	375	1.1	1.1	15	97.21	GEG280XT-2RS