H719C Angular Contact Spindle Bearings

H719C Angular Contact Spindle Bearings are high-precision bearings designed for high-speed machine tool spindles. They feature high rotational accuracy, low friction, and excellent rigidity for smooth and stable operation.
With optimized internal geometry and high-speed capability, H719C bearings provide reliable performance for CNC machining centers, motorized spindles, and precision machining applications.

H719 C: α = 15°

H719 AC: α = 25°

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Features

✅ High Load Capacity: Supports heavy radial and axial loads efficiently.

✅ Precision Rotation: Maintains stable, low-vibration operation at high speeds.

✅ Long Service Life: Durable materials and design reduce wear over time.

✅ Thermal Stability: Performs reliably under varying temperature conditions.

✅ Low Noise Operation: Minimizes vibration and operational noise for smooth machining.

✅ Easy Maintenance: Designed for straightforward lubrication and servicing.

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Product Details

Specifications

H719C/AC Spindle Bearings Parameters

Bearing Designation	Bnd. Dim. (mm)						Load Rating (kN)		Limiting Speed (r/min)		Mass (kg)
Bearing Designation	d	D	B	rs min	rls min	a	Cr	Cor	Grease	Oil	Approx.
H71900 C	10	22	6	0.30	0.10	5	2.1	0.9	85000	140000	0.01
H71900 AC	10	22	6	0.30	0.10	7	2.0	0.9	75000	120000	0.01
H71901 C	12	24	6	0.30	0.10	5	2.2	1.1	80000	130000	0.01
H71901 AC	12	24	6	0.30	0.10	7	2.1	1.1	70000	110000	0.01
H71902 C	15	28	7	0.30	0.10	6	3.2	1.7	70000	110000	0.01
H71902 AC	15	28	7	0.30	0.10	9	3.1	1.6	60000	90000	0.01
H71903 C	17	30	7	0.30	0.10	7	3.3	1.8	67000	100000	0.02
H71903 AC	17	30	7	0.30	0.10	9	3.2	1.7	56000	85000	0.02
H71904 C	20	37	9	0.30	0.15	8	5.0	2.9	53000	80000	0.04
H71904 AC	20	37	9	0.30	0.15	11	4.8	2.7	45000	67000	0.04
H71905 C	25	42	9	0.30	0.15	9	5.2	3.4	48000	70000	0.04
H71905 AC	25	42	9	0.30	0.15	12	4.9	3.3	40000	60000	0.04
H71906 C	30	47	9	0.30	0.15	10	5.8	3.8	43000	63000	0.05
H71906 AC	30	47	9	0.30	0.15	13	5.4	3.6	36000	53000	0.05
H71907 C	35	55	10	0.60	0.15	11	7.7	5.4	36000	53000	0.07
H71907 AC	35	55	10	0.60	0.15	16	7.4	5.1	30000	45000	0.07
H71908 C	40	62	12	0.60	0.15	13	9.8	7.0	30000	45000	0.12
H71908 AC	40	62	12	0.60	0.15	18	9.3	6.6	26000	40000	0.12
H71909 C	45	68	12	0.60	0.15	14	10.3	7.7	26000	40000	0.14
H71909 AC	45	68	12	0.60	0.15	19	9.7	7.3	22000	36000	0.14
H71910 C	50	72	12	0.60	0.15	14	13.2	10.0	22000	36000	0.14
H71910 AC	50	72	12	0.60	0.15	20	12.5	9.5	19000	32000	0.14
H71911 C	55	80	13	1.00	0.30	16	16.0	12.6	19000	32000	0.18
H71911 AC	55	80	13	1.00	0.30	22	15.0	11.9	16000	26000	0.18
H71912 C	60	85	13	1.00	0.30	16	16.6	13.8	18000	30000	0.20
H71912 AC	60	85	13	1.00	0.30	23	15.7	13.1	15000	24000	0.20
H71913 C	65	90	13	1.00	0.30	17	16.8	14.5	17000	28000	0.21
H71913 AC	65	90	13	1.00	0.30	25	16.0	13.7	15000	24000	0.21
H71914 C	70	100	16	1.00	0.30	19	20.9	17.8	16000	26000	0.35
H71914 AC	70	100	16	1.00	0.30	28	19.7	16.9	13000	20000	0.35
H71915 C	75	105	16	1.00	0.30	20	21.7	19.3	15000	24000	0.37
H71915 AC	75	105	16	1.00	0.30	29	20.5	18.2	13000	20000	0.37
H71916 C	80	110	16	1.00	0.30	21	22.4	20.8	14000	22000	0.39
H71916 AC	80	110	16	1.00	0.30	30	21.2	19.6	12000	19000	0.39
H71917 C	85	120	18	1.10	0.60	23	26.1	24.2	13000	20000	0.56
H71917 AC	85	120	18	1.10	0.60	23	24.7	22.9	11000	18000	0.56
H71918 C	90	125	18	1.10	0.60	23	27.0	26.0	13000	20000	0.59
H71918 AC	90	125	18	1.10	0.60	34	25.5	24.6	11000	18000	0.59
H71919 C	95	130	18	1.10	0.60	24	27.3	26.9	12000	19000	0.62
H71919AC	95	130	18	1.10	0.60	35	25.8	25.4	11000	18000	0.62
H71920 C	100	140	20	1.10	0.60	26	40.1	37.6	11000	18000	0.82
H71920 AC	100	140	20	1.10	0.60	38	37.9	35.5	9000	15000	0.82
H71921 C	105	145	20	1.10	0.60	27	40.7	39.1	10000	17000	0.85
H71921 AC	105	145	20	1.10	0.60	39	38.4	36.9	8500	14000	0.85
H71922 C	110	150	20	1.10	0.60	27	41.3	40.5	9000	15000	0.89
H71922 AC	110	150	20	1.10	0.60	40	39.0	38.3	7500	12000	0.89
H71924 C	120	165	22	1.10	0.60	30	43.1	44.9	8500	14000	1.25
H71924 AC	120	165	22	1.10	0.60	a4	40.7	42.4	7500	12000	1.25
H71926 C	130	180	24	1.50	0.60	33	53.1	56.6	8000	13000	1.58
H71926 AC	130	180	24	1.50	0.60	48	50.1	53.4	7500	12000	1.58
H71928 C	140	190	24	1.50	0.60	34	53.7	59.1	7000	11000	1.67
H71928 AC	140	190	24	1.50	0.60	50	50.7	55.8	6700	10000	1.67
H71930 C	150	210	28	2.00	1.00	38	65.2	72.8	6700	10000	2.64
H71930 AC	150	210	28	2.00	1.00	56	61.5	68.7	6000	9000	2.64
H71932 C	160	220	28	2.00	1.00	39	66.0	75.8	6000	9000	2.78
H71932 AC	160	220	28	2.00	1.00	58	62.3	71.6	5600	8500	2.78
H71934 C	170	230	28	2.00	1.00	41	66.7	78.7	5600	8500	2.92
H71934 AC	170	230	28	2.00	1.00	61	63.0	74.3	5000	7500	2.92
H71936 C	180	250	33	2.00	1.00	45	79.6	95.0	5000	7500	4.42
H71936 AC	180	250	33	2.00	1.00	67	75.2	89.7	4800	7000	4.42
H71938 C	190	260	33	2.00	1.00	47	80.6	98.6	4800	7000	4.62
H71938 AC	190	260	33	2.00	1.00	69	76.1	93.1	4300	6300	4.62
H71940 C	200	280	38	2.00	1.00	51	82.8	105.4	4500	6700	6.74
H71940 AC	200	280	38	2.00	1.00	75	78.2	99.5	4000	6000	6.74
H71944 C	220	300	38	2.00	1.00	54	96.9	125.4	4300	6300	7.12
H71944 AC	220	300	38	2.00	1.00	80	91.5	118.4	3800	5600	7.12