Radial spherical plain bearings Maintenance-free type

Maintenance-free radial spherical plain bearings are specialized bearings designed to provide reliable performance without the need for regular lubrication or maintenance. These bearings are engineered with self-lubricating properties, eliminating the need for manual lubrication intervals. They are commonly used in applications where frequent maintenance is impractical or inaccessible, such as in hard-to-reach areas or in environments with limited maintenance capabilities. Maintenance-free radial spherical plain bearings offer excellent load-carrying capacity, self-alignment, and durability, making them ideal for a wide range of industrial and automotive applications.

Technial Specification

Table 1

Part No.	Dimensions /mm									Load ratings KN		Weight kg
	d	D	B	C	d1	dk	R1s	R2s	α	dyn.	stat.
	d	D	B	C	min	dk	min	min	≈	C	C0
GE15UK2RS	15	26	12	9	18	22	0.3	0.3	9	26	52	0.035
GE17UK2RS	17	30	14	10	20	25	0.3	0.3	10	48.7	81.2	0.041
GE20UK2RS	20	35	16	12	24	29	0.3	0.3	9	67.5	112	0.066
GE25UK2RS	25	42	20	16	29	35.5	0.6	0.6	7	127	212	0.119
GE30UK2RS	30	47	22	18	34	40.7	0.6	0.6	6	165	275	0.153
GE35UK2RS	35	55	25	20	39	47	0.6	1	6	210	350	0.233
GE40UK2RS	40	62	28	22	45	53	0.6	1	7	277	462	0.306
GE45UK2RS	45	68	32	25	50	60	0.6	1	7	360	600	0.427
GE50UK2RS	50	75	35	28	55	66	0.6	1	6	442	737	0.546
GE60UK2RS	60	90	44	36	66	80	1	1	6	690	1150	1.04
GE70UK2RS	70	105	49	40	77	92	1	1	6	885	1475	1.55
GE80UK2RS	80	120	55	45	88	105	1	1	6	1125	1875	2.31
GE90UK2RS	90	130	60	50	98	115	1	1	5	1283	2300	2.75
GE100UK2RS	100	150	70	55	109	130	1	1	7	1717	2862	4.45
GE110UK2RS	110	160	70	55	121	140	1	1	6	1845	3075	4.82
GE120UK2RS	120	180	85	70	135	160	1	1	6	2685	4475	8.05
GE140UK2RS	140	210	90	70	155	180	1	1	7	3015	5025	11.02
GE160UT2RS	160	230	105	80	170	200	1	1	8	3840	6400	14.01
GE180UT2RS	180	260	105	80	199	225	1.1	1.1	6	4320	7200	18.65
GE200UT2RS	200	290	130	100	213	250	1.1	1.1	7	6000	10000	28.03
GE220UT2RS	220	320	135	100	239	275	1.1	1.1	8	6600	11000	35.51
GE240UT2RS	240	340	140	100	265	300	1.1	1.1	8	7200	12000	39.91
GE260UT2RS	260	370	150	110	288	325	1.1	1.1	7	8550	14250	51.54
GE280UT2RS	280	400	155	120	313	350	1.1	1.1	6	10050	16750	65.06
GE300UT2RS	300	430	165	120	336	375	1.1	1.1	7	10800	18000	78.07

Advantages

Lubrication-Free Operation: The maintenance-free design of these bearings eliminates the need for regular lubrication. They are pre-lubricated with a specially formulated solid lubricant or incorporated with self-lubricating materials. This feature reduces maintenance requirements, saves time, and eliminates the risk of inadequate or excessive lubrication.
Extended Service Life: Maintenance-free radial spherical plain bearings are designed to provide long service life and reliable performance. The self-lubricating properties ensure consistent lubrication over an extended period, reducing wear and extending the bearing’s lifespan. This results in cost savings and reduced downtime due to less frequent replacement or maintenance.
Reduced Friction and Wear: These bearings are designed to offer low friction and minimal wear during operation. The self-lubricating materials or solid lubricants ensure smooth sliding between the bearing surfaces, reducing friction and minimizing wear. This enhances the bearing’s efficiency, reduces energy consumption, and contributes to longer-lasting performance.
Self-Alignment Capability: Like other spherical plain bearings, the maintenance-free type can accommodate misalignment between the shaft and the housing. The spherical shape allows for angular misalignment, reducing stress and ensuring optimal load distribution. This self-alignment capability helps to minimize bearing damage caused by misalignment and enhances overall system performance.
Versatility in Applications: Maintenance-free radial spherical plain bearings are suitable for a wide range of applications, including automotive, industrial machinery, agricultural equipment, and more. They can withstand heavy radial and axial loads, operate in challenging environments, and provide reliable performance even in demanding conditions. Their versatility makes them a preferred choice for various industries.
Cost-Effective Solution: By eliminating the need for regular maintenance and lubrication, maintenance-free radial spherical plain bearings offer cost savings in terms of labor, lubricants, and maintenance equipment. They provide a cost-effective solution for applications where frequent maintenance is impractical, inaccessible, or costly.