Four Point Contact Ball Bearings I QJ Bearings from CCTY

Four Point Contact Ball Bearings: QJ

Able to take axial in both directions and some radial loads, the four point contact ball bearing also has a tight axial tolerance. It’s also known as the QJ bearing.

This type of bearing is found in applications such as compressors, linear actuators and gearboxes.

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Product Number	d	D	B	r_smin	dyn. C_r kN	stat. C_0r kN	Oil Open	≈kg approx.	d_a min	D_a max	r_a max
	Dimensions				Basic Load Ratings		Limiting Speeds (RPM)	Mass	Abutment and Fillet Dimensions (mm)
QJ205	25	52	15	1	27.1	21.2	22000	0.16	30.6	46.4	1
QJ305	25	62	17	1.1	42.5	30.1	20000	0.29	32	55	1
QJ206	30	62	16	1	37.5	30.5	19000	0.24	36	56	1
QJ306	30	72	19	1.1	53	41.5	17000	0.42	37	65	1
QJ207	35	72	17	1.1	41	61.5	16000	0.35	42	65	1
QJ307	35	80	21	1.5	64	51	15000	0.57	44	71	1.5
QJ208	40	80	18	1.1	56	49	15000	0.45	47	73	1
QJ308	40	90	23	1.5	78	64	14000	0.78	49	81	1.5
QJ209	45	85	19	1.1	63	56	14000	0.52	52	78	1
QJ309	45	100	25	1.5	100	83	12000	1.05	50.8	91	1.5
QJ210	50	90	20	1.1	65.5	61	13000	0.59	57	83	1
QJ310	50	110	27	2	118	100	11000	1.35	60	100	2
QJ211	55	100	21	1.5	85	83	11000	0.77	64	91	1.5
QJ311	55	120	29	2	137	118	10000	1.75	65	110	2
QJ212	60	110	22	1.5	96.5	93	10000	0.99	69	101	1.5
QJ312	60	130	31	2.1	156	137	9000	2.15	72	118	2
QJ213	65	120	23	1.5	110	112	9500	1.2	74	111	1.5
QJ313	65	140	33	2.1	176	156	8500	2.7	77	128	2
QJ214	70	125	24	1.5	120	122	9000	1.3	68.3	116	1.5
QJ314	70	150	35	2.1	200	180	8000	3.15	82	138	2
QJ215	75	130	25	1.5	125	132	8500	1.45	84	121	1.5
QJ315	75	160	37	2.1	187	320	7500	3.9	87	148	2
QJ216	80	140	26	2	146	156	8000	1.85	90	130	2
QJ316	80	170	39	2.1	202	360	7000	4.6	92	158	2
QJ217	85	150	28	2	156	173	7500	2.2	95	140	2
QJ317	85	180	41	3	250	255	6700	5.34	99	166	2.5
QJ218	90	160	30	2	186	200	7000	2.75	100	150	2
QJ318	90	190	43	3	285	305	6300	6.4	104	176	2.5
QJ219	95	170	32	2.1	212	232	6700	3.35	107	158	2
QJ319	95	200	45	3	305	340	6000	7.4	109	186	2.5
QJ220	100	180	34	2.1	236	265	6300	4	112	168	2
QJ320	100	215	47	3	345	400	5600	9.3	114	201	2