Angular Contact Bearing, Ultra Thin Wall, Single-Row Universal Combination Type

· Angular contact ball bearings are mainly used to withstand radial loads and can also withstand small axial loads.
· Angular contact ball bearings are widely used in precision CNC machine tools, high-speed grinding machines, engraving machines, high-speed spindles, RV reducers, and other industries.

Material	Bearing Precision	Contact Angle	Vibration Class
Equivalent to SUJ2	P4 Grade	25°	V1

 

Part Number		Dimensions (mm)			Rated Load (kN)		Rotational Speed Limit (rpm)		r (min)	r1 (min)	Point of Action a	Mounting Dimensions			Weight (kg)
Type	Bearing Part Number	Inner Diameter d	Outer Diameter D	Width B	Cr	Cor	Grease Lubrication	Oil Lubricated				Ds (min.)	dh (max.)	R (max.)
E-B	7803SU	17	26	5	2.2	1.5	48000	75000	0.3	0.15	7.5	19	24	0.3	0.008
	7804SU	20	32	7	3.6	2.5	40000	63000			9.6	22	30		0.018
	7805SU	25	37		3.9	3	34000	53000			10.8	27	35		0.022
	7806SU	30	42		4.1	3.5	28000	45000			11.9	32	40		0.025
	7807SU	35	47		4.3	4	26000	40000			13.1	37	45		0.029
	7808SU	40	52		4	4.5	22000	34000			14.3	42	50		0.032
	7809SU	45	58		4.6	5	20000	30000			15.5	47	56		0.040
	7810SU	50	65		6.8	7.3	18000	28000			16.9	52	63		0.052
	7811SU	55	72	9	9.5	10.2	16000	24000			19.3	57	70		0.081
	7812SU	60	78	10	12.7	13.4	15000	22000			21.1	62	76		0.100
	7813SU	65	85		12.7	14	13000	20000	0.6	0.3	22.5	68.2	81.8	0.6	0.125
	7814SU	70	90		13	15		19000			23.7	73.2	86.8		0.133
	7815SU	75	95		13.3	16	12000	18000			24.9	78.2	91.8		0.142
	7816SU	80	100		13.8	17	11000	17000			26	83.2	96.8		0.15
	7817SU	85	110	13	20.3	24	10000	16000	1		29.3	89.6	105.4	1	0.262
	7818SU	90	115		20.3	25.0		15000			30.5	94.6	110.4		0.274
	7819SU	95	120		20.8	25.5	9500	14000			31.6	99.6	115.4		0.287
	7820SU	100	125		21.2	27.5	8500	13000			32.8	104.6	120.4		0.301
	7821SU	105	130		21.6	28.5	8000	12000			34	109.6	125.4		0.314
	7822SU	110	140	16	30.2	38.0	7500				37.2	114.6	135.4		0.496

· The product's precision reaches P4 grade; the precision grade directly affects its operating condition and service life.
· Any two universal matching P4 grade angular contact ball bearings can be combined in different sets, making assembly convenient.

When the precision of the shaft and bearing housing is poor, the bearing will be affected, and its due performance will not be exerted. For example, the poor precision of the mounting part with the bearing will cause relative inclination of the inner and outer rings. At this time, besides the bearing load, the edge load will be increased additionally, which will shorten the fatigue life of the bearing, and even more seriously, it will lead to damage such as cage breakage and sticking.

Please use the following special mounting tool for installation and removal

Bearing heater
	Proper installation of the bearing heater can guarantee a long life of the bearing. Rolling bearings are reliable mechanical components with long service life if they are installed and maintained correctly. After the induction heater is used for heating, the bearing expands outward in the cylindrical direction, which can avoid the damage during installation. Induction heater is one of the most scientific heating methods, which does not need preheating, and can be heated to 110℃ in a few seconds or minutes depending on the weight of bearings, without damaging the prior lubrication
Bearing puller
	When the installation state of the bearing is in the following situations, the special puller can be used for disassembly. (a) Shaft shape: cylindrical shaft, Inner diameter shape of bearing inner ring: cylindrical hole. (b) Shaft shape: cylindrical shaft, inner diameter shape of bearing inner ring with tight bushing: tapered hole. (c) Shaft shape: tapered shaft, Inner diameter shape of bearing inner ring: tapered hole. In either state, the lock nut of the shaft (or the lock nut of the tight bushing) must be released during disassembly, and the lock nut must be placed in a loose state.