7300 Series

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7300 Series

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Description

Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.

The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases. The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from one raceway to another, and a line perpendicular to the bearing axis

The most commonly used designs are:

single row angular contact ball bearings

double row angular contact ball bearings

four-point contact ball bearings

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select	Inquiry	Bearing Numbers				Principal dimensions(mm)					Basic load ratings(N)		Basic load ratings(kgf)		Value	Limiting Speed (rpm)		Distance of action point(mm)	Abutment and fillet dimensions			Weight	Basic load ratings(duplex bearing) (N)		Basic load ratings(duplex bearing) (kgf)		Limiting Speed(duplex bearing) (rpm)		Distance of action point (duplex bearing)(a0)		Installation dimensions(duplex bearing)
select	Inquiry	Single row	DB	DF	DT	d	D	B	r(min)	r1(min)	Cr	Cor	Cr	Cor	fo	Grease	Oil	a	da(min)	Da(max)	ra(max)	(kg)	Cr	Cor	Cr	Cor	Grease	Oil	back-to-back arrangement	face-to-face arrangement	db(min)	Db(max)	rb(max)
		7318A	7318DB	7318DF	7318DT	90	190	43	3	1.1	171000	147000	17400	15000	14.1	3200	4300	61.9	104	176	2.5	5.06	277000	294000	28300	30000	2600	3400	123.8	37.8	97	183	1
		7318B	7318DB	7318DF	7318DT	90	190	43	3	1.1	156000	135000	15900	13800	14.6	2800	3800	80.2	104	176	2.5	5.17	254000	270000	25900	27600	2200	3000	160.5	74.5	97	183	1
		7319A	7319DB	7319DF	7319DT	95	200	45	3	1.1	183000	162000	18600	16600	14.1	3000	4000	65.1	109	186	2.5	5.83	297000	325000	30500	33000	2400	3200	130.2	40.2	102	193	1
		7319B	7319DB	7319DF	7319DT	95	200	45	3	1.1	167000	149000	17100	15200	14.6	2600	3600	84.3	109	186	2.5	5.98	272000	298000	27700	30500	2200	3000	168.7	78.7	102	193	1
		7320A	7320DB	7320DF	7320DT	100	215	47	3	1.1	207000	193000	21100	19700	14	2800	3800	69	114	201	2.5	7.29	335000	385000	34500	39500	2200	3000	137.9	43.9	107	208	1
		7320B	7320DB	7320DF	7320DT	100	215	47	3	1.1	190000	178000	19400	18100	14.5	2400	3400	89.6	114	201	2.5	7.43	310000	355000	31500	36000	2000	2800	179.2	85.2	107	208	1
		7321A	7321DB	7321DF	7321DT	105	225	49	3	1.1	208000	193000	21200	19700	14.2	2600	3600	72.1	119	211	2.5	9.34	335000	385000	34500	39500	2200	2800	144.3	46.3	-	218	1
		7321B	7321DB	7321DF	7321DT	105	225	49	3	1.1	191000	177000	19400	18100	14.5	2400	3200	93.7	119	211	2.5	9.43	310000	355000	31500	36000	1900	2600	187.4	89.4	-	218	1
		7322A	7322DB	7322DF	7322DT	110	240	50	3	1.1	220000	215000	22500	21900	14.2	2600	3400	75.5	124	226	2.5	11.1	360000	430000	36500	44000	2000	2600	151	51	-	233	1
		7322B	7322DB	7322DF	7322DT	110	240	50	3	1.1	201000	197000	20500	20100	14.8	2200	3000	98.4	124	226	2.5	11.2	325000	395000	33500	40000	1800	2400	196.8	96.8	-	233	1
		7324A	7324DB	7324DF	7324DT	120	260	55	3	1.1	246000	252000	25100	25700	14.2	2200	3000	82.3	134	246	2.5	14.5	400000	505000	41000	51500	1800	2400	164.7	54.7	-	253	1
		7324B	7324DB	7324DF	7324DT	120	260	55	3	1.1	225000	231000	23000	23600	14.8	2000	2800	107.2	134	246	2.5	14.4	365000	460000	37500	47000	1600	2200	214.4	104.4	-	253	1
		7326A	7326DB	7326DF	7326DT	130	280	58	4	1.5	273000	293000	27900	29800	14.2	2200	2800	88.2	148	262	3	17.5	445000	585000	45500	59500	1700	2200	176.3	60.3	-	271	1.5
		7326B	7326DB	7326DF	7326DT	130	280	58	4	1.5	250000	268000	25500	27400	14.8	1900	2600	115	148	262	3	17.6	405000	535000	41500	54500	1500	2000	230	114	-	271	1.5
		7328A	7328DB	7328DF	7328DT	140	300	62	4	1.5	300000	335000	30500	34500	14.3	2000	2600	94.5	158	282	3	21.4	490000	670000	50000	68500	1600	2000	189	65	-	291	1.5
		7328B	7328DB	7328DF	7328DT	140	300	62	4	1.5	275000	310000	28100	31500	14.8	1700	2400	123.3	158	282	3	21.6	445000	615000	45500	63000	1400	1900	246.6	122.6	-	291	1.5
		7330A	7330DB	7330DF	7330DT	150	320	65	4	1.5	315000	370000	32500	38000	14.5	1800	2400	100.3	168	302	3	26	515000	745000	52500	75500	1500	1900	200.7	70.7	-	311	1.5
		7330B	7330DB	7330DF	7330DT	150	320	65	4	1.5	289000	340000	29400	34500	15	1600	2200	131.1	168	302	3	25.9	470000	680000	48000	69500	1300	1800	262.2	132.2	-	311	1.5
		7332A	7332DB	7332DF	7332DT	160	340	68	4	1.5	345000	420000	35500	43000	14.5	1700	2200	106.2	178	322	3	30.7	565000	845000	57500	86000	1400	1800	212.3	76.3	-	331	1.5
		7332B	7332DB	7332DF	7332DT	160	340	68	4	1.5	315000	385000	32000	39500	15	1500	2000	138.9	178	322	3	30.8	515000	770000	52500	78500	1200	1700	277.8	141.8	-	331	1.5
		7334A	7334DB	7334DF	7334DT	170	360	72	4	1.5	390000	485000	39500	49500	14.3	1600	2200	112.5	188	342	3	35.8	630000	970000	64500	99000	1300	1700	225	81	-	351	1.5
		7334B	7334DB	7334DF	7334DT	170	360	72	4	1.5	355000	445000	36000	45500	14.8	1400	2000	147.2	188	342	3	35.6	575000	890000	59000	90500	1100	1600	294.3	150.3	-	351	1.5
		7336A	7336DB	7336DF	7336DT	180	380	75	4	1.5	410000	535000	41500	54500	14.5	1500	2000	118.3	198	362	3	42.1	665000	1070000	68000	109000	1200	1600	236.6	86.6	-	371	1.5
		7336B	7336DB	7336DF	7336DT	180	380	75	4	1.5	375000	490000	38000	50000	15	1300	1800	155	198	362	3	42.6	605000	975000	62000	99500	1100	1500	309.9	159.9	-	371	1.5
		7338A	7338DB	7338DF	7338DT	190	400	78	5	2	450000	600000	46000	61000	14.3	1400	1900	124.2	212	378	4	47.5	730000	1200000	74500	122000	1100	1500	248.3	92.3	-	390	2
		7338B	7338DB	7338DF	7338DT	190	400	78	5	2	410000	550000	42000	56000	14.8	1300	1700	162.8	212	378	4	47.2	670000	1100000	68000	112000	1000	1400	325.5	169.5	-	390	2
		7340A	7340DB	7340DF	7340DT	200	420	80	6	2	475000	660000	48500	67000	14.5	1300	1800	129.5	222	398	4	54.4	770000	1320000	78500	134000	1100	1400	259	99	-	410	2
		7340B	7340DB	7340DF	7340DT	200	420	80	5	2	430000	600000	44000	61500	15	1200	1600	170.1	222	398	4	55.3	700000	1200000	71500	123000	950	1300	340.1	180.1	-	410	2
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