The ultra-precision angular contact ball bearings in the 718 series are the best choice for applications with limited space. Their small cross-section, high precision, and rigidity make them ideal for machine tool applications, multi-axis drills, and robotic arms.
718 Series angular contact ball bearings
Contact Angle: C-15° or AC-25°
Rolling Elements: Steel balls or ceramic balls
Construction: Open or sealed
Cage: PEEK or bakelite
Accuracy: P5, P4, P2 grade
Matching: Universal mating and mated bearings available (DT, DB, DF, TBT, etc.)

Size	Main dimensions(mm)					Basic rated load(KN)		Steel Ball Max Speed (r/min)		Ceramic ball maximum speed(r/min)
Size	d	D	B	r	r1	Cr	Cor	Grease	Oil	Grease	Oil
71800C	10	19	5	0.3	0.1	1.9	0.98	75000	100000	95000	160000
71800AC	10	19	5	0.3	0.1	1.9	0.98	70000	100000	85000	140000
71801C	12	21	5	0.3	0.1	2.08	1.18	67000	100000	85000	140000
71801AC	12	21	5	0.3	0.1	1.96	1.12	60000	90000	75000	120000
71802C	15	24	5	0.3	0.1	2.28	1.5	56000	85000	70000	110000
71802AC	15	24	5	0.3	0.1	2.16	1.4	50000	75000	63000	95000
71803C	17	26	5	0.3	0.1	2.32	16	50000	75000	67000	100000
71803AC	17	26	5	0.3	0.1	2.2	1.53	48000	70000	56000	85000
71804C	20	32	7	0.3	0.1	3.8	2.65	43000	63000	53000	80000
71804AC	20	32	7	0.3	0.1	3.65	2.5	38000	56000	45000	67000
71805C	25	37	7	0.3	0.1	4.15	3.2	36000	53000	45000	67000
71805AC	25	37	7	0.3	0.1	3.9	3	32000	48000	38000	56000
71806C	30	42	7	0.3	0.1	4.4	3.65	30000	45000	38000	56000
71806AC	30	42	7	0.3	0.1	4.15	3.4	28000	43000	34000	50000
71807C	35	47	7	0.3	0.1	4.65	4.15	26000	40000	34000	50000
71807AC	35	47	7	0.3	0.1	4.4	3.8	24000	38000	30000	45000
71808C	40	52	7	0.3	0.1	4.8	4.55	24000	38000	30000	45000
71808AC	40	52	7	0.3	0.1	4.55	4.25	22000	36000	26000	40000
71809C	45	58	7	0.3	0.1	72	6.95	22000	36000	28000	43000
71809AC	45	58	7	0.3	0.1	6.8	6.4	19000	32000	24000	38000
71810C	50	65	7	0.3	0.1	7.35	7.35	19000	32000	24000	38000
71810AC	50	65	7	0.3	0.1	6.95	68	17000	28000	20000	34000
71811C	55	72	9	0.3	0.1	10.2	10.2	17000	28000	22000	36000
71811AC	55	72	9	0.3	0.1	9.65	9.5	16000	26000	19000	32000
71812C	60	78	10	0.3	0.1	13.2	13.2	16000	26000	20000	34000
71812AC	60	78	10	0.3	0.1	12.2	12.2	14000	22000	17000	28000
71813C	65	85	10	0.6	0.3	13.4	14	15000	24000	19000	32000
71813AC	65	85	10	0.6	0.3	12.7	12.9	13000	20000	16000	26000
71814C	70	90	10	0.6	0.3	14	15	14000	22000	18000	30000
71814AC	70	90	10	0.6	0.3	12.9	13.7	13000	20000	15000	24000
71815C	75	95	10	0.6	0.3	14.3	15.6	13000	20000	16000	26000
71815AC	75	95	10	0.6	0.3	13.4	14.6	12000	19000	14000	22000
71816C	80	100	10	0.6	0.3	14.6	16.6	12000	19000	16000	26000
71816AC	80	100	10	0.6	0.3	13.7	15.6	11000	18000	13000	20000
71817C	85	110	13	1	0.3	21.6	24	11000	18000	14000	22000
71817AC	85	110	13	1	0.3	20.4	22.4	10000	17000	12000	19000
71818C	90	115	13	1	0.3	21.2	23.6	11000	18000	14000	22000
71818AC	90	115	13	1	0.3	20	22	9500	16000	12000	19000
71819C	95	120	13	1	0.3	21.6	24.5	10000	17000	13000	20000
71819AC	95	120	13	1	0.3	20.4	22.8	9000	15000	11000	18000
71820C	100	125	13	1	0.3	21.6	25	9500	16000	12000	19000
71820AC	100	125	13	1	0.3	20.4	23.6	8500	14000	10000	17000
71821C	105	130	13	1	0.3	22.8	27.5	9000	15000	12000	19000
71821AC	105	130	13	1	0.3	21.6	25.5	8000	13000	10000	17000
71822C	110	140	16	1	0.3	31.5	36.5	8500	14000	11000	18000
71822AC	110	140	16	1	0.3	29	34	7500	12000	9000	15000
71824C	120	150	16	1	0.3	32	39	7500	12000	10000	17000
71824AC	120	150	16	1	0.3	30	36	7000	11000	8500	14000
71826C	130	165	18	1.1	0.6	42.5	51	7000	11000	9000	15000
71826AC	130	165	18	1.1	0.6	40	48	6300	9500	7500	12000
71828C	140	175	18	1.1	0.6	43	54	6300	9500	8000	13000
71828AC	140	175	18	1.1	0.6	40.5	51	6000	9000	7000	11000
71830C	150	190	20	1.1	0.6	56	69.5	6000	9000	7500	12000
71830AC	150	190	20	1.1	0.6	52	64	5300	8000	6300	9500

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