GE..UK / GE..ET Spherical plain bearings

FGB - Maintenance-free (lubrication free) spherical plain bearings are used for applications where long bearing life is required without maintenance (i.e. lubrication) or where operating conditions such as inadequate lubrication (or the absence of lubrication) make the use of Steel-on-Steel bearings inadvisable. Due to their construction, they have very low friction and can be operated without maintenance.

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Maintenance-free spherical plain bearings

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GE..ET / GE..UK Maintenance-Free (Lubrication Free) Spherical Plain Bearings / Joint ball bearings
Maintenance-free (lubrication free) spherical plain bearings are used for applications where long bearing life is required without maintenance (i.e. lubrication) or where operating conditions such as inadequate lubrication (or the absence of lubrication) make the use of Steel-on-Steel bearings inadvisable. Due to their construction, they have very low friction and can be operated without maintenance. Maintenance-free spherical plain bearings are available in many material configurations including:

1. Steel-on-PTFE composite material
2. Steel-on-PTFE fabric
3. Steel-on-PTFE plastic
4. Steel-on-Copper alloys (including Bronze)

Dynamic load support capability of Steel-on-PTFE fabric Spherical Plain Bearings is higher than that of Steel-on- PTFE composite material with Steel-on-PTFE plastic generally having the lightest load capacity. However, the Steel-on-PTFE plastic products have excellent weatherability and are typically used out in the field (outdoor applications).
Key words:
- Maintenance-free bearing
- lubrication free bearing
- joint ball bearing
- FGB BEARING

FGB Bearing No.			Principal dimensions								Basic load ratings		Mass
			d	D	B	C	dk	r1	r2	α	Dynamic	Static	Mass
			mm							Deg.	C (kN)	C0 (kN)	kg
	GE15UK-2RS	GE 15 ET-2RS	15	26	12	9	22	0.3	0.3	8	17.6	44	0.027
	GE17UK-2RS	GE 17 ET-2RS	17	30	14	10	25	0.3	0.3	10	48.7	81.2	0.037
	GE20UK-2RS	GE 20 ET-2RS	20	35	16	12	29	0.3	0.3	9	67.5	112	0.06
	GE25UK-2RS	GE 25 ET-2RS	25	42	20	16	35.5	0.6	0.6	7	127	212	0.11
	GE30UK-2RS	GE 30 ET-2RS	30	47	22	18	40.7	0.6	0.6	6	165	275	0.14
	GE35UK-2RS	GE 35 ET-2RS	35	55	25	20	47	0.6	1	6	210	350	0.22
	GE40UK-2RS	GE 40 ET-2RS	40	62	28	22	53	0.6	1	7	277	462	0.3
	GE45UK-2RS	GE 45 ET-2RS	45	68	32	25	60	0.6	1	7	360	600	0.39
	GE50UK-2RS	GE 50 ET-2RS	50	75	35	28	66	0.6	1	6	442	737	0.53
	GE60UK-2RS	GE 60 ET-2RS	60	90	44	36	80	1	1	6	690	1150	0.98
	GE70UK-2RS	GE 70 ET-2RS	70	105	49	40	92	1	1	6	885	1475	1.5
	GE80UK-2RS	GE 80 ET-2RS	80	120	55	45	105	1	1	6	1125	1875	2.2
	GE90UK-2RS	GE 90 ET-2RS	90	130	60	50	115	1	1	5	1380	2300	2.7
	GE100UK-2RS	GE 100 ET-2RS	100	150	70	55	130	1	1	7	1717	2862	4.2
	GE110UK-2RS	GE 110 ET-2RS	110	160	70	55	140	1	1	6	1845	3075	4.7
	GE120UK-2RS	GE 120 ET-2RS	120	180	85	70	160	1	1	6	2685	4475	8.1
	GE140UK-2RS	GE 140 XT-2RS	140	210	90	70	180	1	1	7	3015	5025	10.6
	GE160UK-2RS	GE 160 XT-2RS	160	230	105	80	200	1	1	8	3840	6400	13.8
	GE180UK-2RS	GE 180 XT-2RS	180	260	105	80	225	1.1	1.1	6	4320	7200	17.4
	GE200UK-2RS	GE 200 XT-2RS	200	290	130	100	250	1.1	1.1	7	6000	10000	26
	GE220UK-2RS	GE 220 XT-2RS	220	320	135	100	275	1.1	1.1	8	6600	11000	35.5
	GE240UK-2RS	GE 240 XT-2RS	240	340	140	100	300	1.1	1.1	8	7200	12000	39
	GE260UK-2RS	GE 260 XT-2RS	260	370	150	110	325	1.1	1.1	7	8550	14250	50.8
	GE280UK-2RS	GE 280 XT-2RS	280	400	155	120	350	1.1	1.1	6	10050	16750	64.7
	GE300UK-2RS	GE 300 XT-2RS	300	430	165	120	375	1.1	1.1	7	10800	18000	76.7

Applications
1. A-frames, dump cylinders, front and rear struts, and steering cylinders for mining trucks
2. Equalizer track bars, lift and tilt cylinders, push blades, trunnion balls and ripper blades for bulldozers
3. Articulated joint upper and lower steering cylinders and boom and bucket cylinders for wheel loaders
4. Stick and bucket cylinders for hydraulic excavators
5. Additional applications for space shuttles, heavy movable structures and miscellaneous vehicles

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Maintenance-free spherical plain bearings