Angular Contact Ball Bearing

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	dimension series	d	Cage
single row -(B-type) - standard	728, 719...B, 72...B,73... B,74...B	15..280 mm	M,MA,MB
four points	QJ2, QJ3	35...200mm	M
single row -specials	75, 76, 77, 78	23.5...190 mm	M,MA,MB
single row - highprecision (A,C type)	70..A, 70..C, 72..A, 72..C	15..150 mm	TA,TB,MA,MB
double row -standard	32, 33, 52, 53	20...100 mm
double row -specials	34, 35, 36, 37, 38	12...190 mm	M,MA,MB

2) DESIGN TYPESa) Singlerow contact ball bearings of universal design are suitable for DB, DF or DT arrangements; bearings of universal design are manufactured to more accurate tolerance classes and can be matched if the mounting conditions UA, UO and UL are observed.

b) Double row angular contact ball bearings can be manufactured in two versions :with non-separable inner ring and filling slots on one side, series 32 and 33with seperable inner ring, series 33D3) TECHNICAL EXECUTION CONDITIONSa)DIMENSIONSmain dimensions of bearings are accordance with ISO/R15

b) TOLERANCE CLASSESsingle row angular contact ball bearings with a contact angle of 15 degrees (series 70C, 72C, 70A) or 25 degrees (series 72A) are manufactured to tolerance classes SP, P4, UP and P2. Single row angular contact ball bearings with a contact angle of 40 degrees (series 72B, 73B) are manufactured to the normal tolerance class.

Double row angular contact ball bearings are generally manufactured to the normal tolerance classaxial clearance : series 32 and 33 are manufactured to the normal axial clearance series 33D has larger axial clearance

4) CAGE TYPESpressed steel cage (without cage suffix) for series 72B and 73Bmachined brass cage (M, MA, MB) for series 70C, 72C, 70A and 72Apolyamide cage (TN)textolite cage (T, TA, TB) for series 70C, 72C, 70A and 72A5) APPLICATIONS

a) ENGINEERING MACHINE INDUSTRY

b) METAL- WORKING INDUSTRY

c) CHEMICAL INDUSTRY

d) MINING INDUSTRY

Angular Contact Ball Bearing