Crusher Bearings – EGI Bearings – Backing Bearings and Crusher Bearings

Crusher Bearings

Applications

Mining & Quarrying – Jaw crushers, cone crushers, gyratory crushers, and impact crushers
Construction & Demolition – Rock crushers, concrete and asphalt recycling machinery
Cement Industry – Crushers used in cement processing plants
Aggregate & Sand Production – Stone crushers in gravel, sand, and aggregate processing

Key Benefits

High Load Capacity – Designed to endure heavy radial and axial loads in crushing operations
Shock & Impact Resistance – Withstands extreme vibrations and crushing forces
Extended Service Life – High-quality materials and specialized heat treatments improve durability
Optimized Performance – Low-friction design reduces energy loss and enhances efficiency
Sealing Protection – Advanced seals prevent contamination from dust, debris, and moisture
Ease of Maintenance – Engineered for easy installation and replacement, minimizing downtime

Crusher bearings play a crucial role in the operation of crushers as they support the rotating shafts and ensure smooth operation. These bearings are subjected to heavy loads, shock loads, and harsh operating conditions in industries such as mining, construction, and aggregate processing.

Spherical roller bearings for vibrating machines, cylindrical bore, 223…YA series

Shaft	Dimentions			Chamfer	Groove Width	Cup Cone	Dynamic Loads	Static Loads	Limit Speed (P5 class）		Designation	Weight
	d	D	B	r	ns	D1	Cr	Cor	Nlim			M
				min.		≈≈			Grease	Oil	EGI Bearings	≈≈
	mm	mm	mm	mm	mm	mm	KN	KN	r/min	r/min		kg
90	90	190	64	3	8.3	160.6	470	630	2400	2910	22318MBP59/W33YA	8.7
95	95	200	67	3	8.3	167.8	498	700	2280	2760	22319MBP59/W33YA	10.5
100	100	215	73	3	11.1	179.4	540	660	2090	2540	22320MBP59/W33YA	13.2
110	110	240	80	3	15	199.9	710	915	1870	2250	22322MBP59/W33YA	17.7
120	120	260	86	3	15	217.3	870	1140	1680	2030	22324MBP59/W33YA	22
130	130	280	93	4	17.7	233.5	975	1310	1520	1860	22326MBP59/W33YA	29
140	140	300	102	4	17.7	249.9	1106	1460	1400	1700	22328MBP59/W33YA	36
150	150	320	108	4	17.7	265.2	1230	1696	1290	1560	22330MBP59/W33YA	43

160	160	340	114	4	16.7	285.1	1450	2590	1190	1450	22332MBP59/W33YA	53
170	170	360	120	4	16.7	301.2	1530	2120	1110	1340	22334MBP59/W33YA	62
180	180	380	126	4	23.5	318.3	1665	2280	1030	1250	22336MBP59/W33YA	70
190	190	400	132	5	23.5	334.2	1826	2598	960	1260	22338MBP59/W33YA	83.9
200	200	420	138	5	22.3	351.2	1925	2900	890	1160	22340MBP59/W33YA	97
220	220	460	145	5	22.3	386.2	2510	3420	860	1020	22344MBP59/W33YA	120.3

single row cylindrical roller bearing - EGI Bearings — single row cylindrical roller bearing – EGI Bearings

Cylindrical Roller Bearings for Vibrating Machinery, Cylindrical bore, 223…YA Series

Shaft	Dimentions			Chamfer	Cup inner diameter/Cup raceway diameter	Inner block O.D. / inner raceway diameter	Dynamic Loads	Static Loads	Limited Speed (P5 Class）		Designation	Weight
	d	D	B	r	D1/E	d1/F	Cr	Cor	Nlim			M
				min.					Grease	Oil	Sendzimir	≈≈
	mm	mm	mm	mm	mm	mm	KN	KN	r/min	r/min		kg
110	110	280	65	4	217	155	500	585	2910	3600	NJ422EMP59/YK	20.5
110	110	240	80	3	201	155/143	690	980	3170	3900	NJ2322EMP59/YK	17.5
110	110	240	80	3	201	144	685	980	3170	3900	NU2322EMP59/YK+HJ2322	18.8
120	120	310	72	5	244	192/170	770	915	2410	2970	NJ424EMP59/YK	30.34
120	120	260	86	3	214.5	166.6/154	670	970	2840	3500	NJ2324EMP59/YK	24.6
120	120	260	86	3	219	154	810	1040	3050	3750	NU2324EMP59/YK+HJ2324	24.6
130	130	340	78	5	E=285	F=185	825	955	2370	2920	NJ426EMP59/YK(仿NSK)	40
130	130	280	93	4	236	181/167	927	1240	2850	3500	NJ2326EMP59/YK	29.5
130	130	280	93	4	236	167	927	1240	2850	3500	NU2326EMP59/YK+HJ2326	30.2
140	140	360	82	5	E=302	F=198	875	1020	1900	2340	NJ428EMP59/YK（仿NSK）	46.5
140	140	300	102	4	251.8	195/180	1083	1459	2490	3070	NJ2328EMP59/YK	36.1
140	140	300	102	4	251.7	180	1030	1410	2580	3200	NU2328EMP59/YK+HJ2328	37.85
150	150	320	108	4	270	209/193	1170	1620	2370	2930	NJ2330EMP59/YK	43.5
150	150	320	108	4	270	193	1170	1620	2370	2930	NU2330EMP59/YK+HJ2330	45.1
160	160	340	114	4	286	221/204	1070	1720	2190	2700	NJ2332EMP59/YK	51.5
160	160	340	114	4	286	204	1070	1720	2190	2700	NU2332EMP59/YK+HJ2332	53.1
170	170	360	120	4	301	234/216	1240	2040	2020	2500	NJ2334EMP59/YK	61.5
170	170	360	120	4	301	216	1240	2040	2020	2500	NU2334EMP59/YK+HJ2334	63.8
180	180	380	126	4	320	227	1380	2230	1890	2320	NJ2336EMP59/YK	71
180	180	380	126	4	320	248/227	1380	2230	1890	2320	NU2336EMP59/YK+HJ2336	74.1
190	190	400	132	5	341	F=240	1600	2540	1750	2170	NJ2338EMP59/YK	82.5
190	190	400	132	5	341	F=240	1600	2540	1750	2170	NU2338EMP59/YK+HJ2338	83.6

Typically, crusher bearings are designed to withstand both radial and axial loads while operating at high speeds. They are commonly used in jaw crushers, cone crushers, impact crushers, and other types of crushing equipment.

Importance of Proper Maintenance

Proper maintenance of crusher bearings is essential to ensure the longevity and efficiency of the crushing equipment. Regular lubrication is crucial to reduce friction and wear on the bearings, preventing premature failures and downtime.

In addition to lubrication, monitoring the temperature, vibration, and noise of the bearings can help detect early signs of potential issues. Timely replacement of worn-out bearings and addressing misalignment can prevent major breakdowns and extend the operational life of the crushers.

Bearing Selection and Replacement

When selecting bearings for crushers, factors such as load capacity, speed rating, operating temperature, and environmental conditions must be considered. Choosing the right type and size of bearings can optimize the performance and reliability of the crushing equipment.

During bearing replacement, it is essential to follow manufacturer guidelines, use proper tools, and ensure correct alignment and tightness. Improper installation can lead to premature wear, misalignment, and reduced efficiency of the crushers.