Ball Screw Support Bearing

Ball Screw Support Bearings are high-precision angular contact ball bearings designed to support ball screw systems. They provide high axial stiffness, low friction, excellent positioning accuracy, and reliable performance for CNC machines, precision equipment, and automation applications.

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Features

✅ High Precision: Ensures accurate positioning and motion control.

✅ Smooth Operation: Minimizes friction for stable rotation.

✅ High Rigidity: Supports axial and radial loads effectively.

✅ Long Service Life: Designed for extended operational cycles.

✅ Low Noise: Reduces vibration and operational sound.

✅ Reliable Performance: Consistent operation under varying conditions.

✅ Versatile Applications: Suitable for CNC, automation, and precision machinery.

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Product Details

Parameter

Ball Screw Support Bearing Part Number & Dimension Table

Boundary Dimensions		Load Rating	Limiting Speed	Preloads	Assembly Dimensions	Bearing Designations
d	D B rmin rlmin	Cr Cor	Grease Oil	Light Medium Heavy	D1 D2
mm		kN	r/min	N	mm
20	47 14 1 0.6 52 15 1 0.6	19.6 36.0 24.5 45.5	3000 5000 2800 4600	1150 2300 1600 1450 2900 5800	27.5 39.5 30.5 43.5	760204TN1 760304TN1
25	52 15 1.1 1 62 17 1.1 1	22.0 44.0 28.5 58.5	2600 4300 2200 3600	1250 2500 500 1650 3300 6600	32 45 38 52	760205TN1 760305TN1
30	62 16 1.1 1 72 19 1.1 1	26.0 56.0 34.5 78.0	2200 3600 1900 3100	1450 2900 5800 2150 4300 8600	39.5 52.5 45 61	760206TN1 760306TN1
35	72 17 1.5 1.1 80 21 1.5 1.1	30.5 71.0 36.5 86.5	1900 3100 1700 2800	1650 3300 6600 2400 4800 9600	46.5 60.5 51 67	760207TN1 760307TN1
40	80 18 1.5 1.1 90 23 1.5 1.1	37.5 91.5 50.0 118.0	1600 2600 1500 250	2150 4300 8600 2800 560 11200	53.5 69.5 56.5 75.5	760208TN1 760308TN1
45	85 19 1.5 1.1 100 25 1.5 1.1	38.0 96.5 58.5 146.0	1500 2500 1300 2100	2250 4500 9000 3500 7000 14000	57 73 64.5 85.5	760209TN1 760309TN1
50	90 20 1.5 1.1 110 27 1.5 1.1	39.0 106.0 69.5 180.0	1400 2300 1200 2000	2450 4900 9800 3800 7600 15200	63 79 72 94	760210TN1 760310TN1
55	100 21 1.5 1.1 120 29 1.5 1.1	40.5 114.0 80.0 208.0	1300 2100 1100 1800	2300 4600 9200 4400 8800 17600	69.5 85.5 77 101	760211TN1 760311TN1
60	110 22 1.5 1.1 130 31 1.5 1.1	56.0 160.0 88.0 236.0	1200 2000 1100 1800	3250 6500 13000 5000 10000 20000	77 96 82.5 107.5	760212TN1 760312TN1
65	120 23 1.5 1.1 140 33 1.5 1.1	57.0 170.0 100.0 280.0	1100 1800 950 1580	3500 7000 14000 6000 12000 24000	84 103 91.5 118.5	760213TN1 760313TN1
70	125 24 1.5 1.1 150 35 1.5 1.1	65.5 193.0 110.0 310.0	1000 1660 900 1500	3500 7000 14000 6000 12000 24000	87 108 95.5 124.5	760214TN1 760314TN1
75	130 25 1.5 1.1 160 37 1.5 1.1	67.0 208.0 125.0 365.0	950 1580 850 1400	3800 7600 15200 7500 15000 30000	93.5 114.5 105.5 135.5	760215TN1 760315TN1
80	140 26 1.5 1.1 170 39 1.5 1.1	76.5 240.0 137.0 405.0	900 1500 800 1300	4450 8900 17800 8000 16000 32000	100 122 111 143	760216TN1 760316TN1
85	150 28 1.5 1.1 180 41 1.5 1.1	88.0 280.0 160.0 465.0	850 1400 750 1250	5500 11000 22000 9000 18000 36000	107 131 116 151	760217TN1 760317TN1
90	160 30 1.5 1.1 190 43 1.5 1.1	98.0 315.0 163.0 490.0	800 1300 700 1160	5500 11000 22000 900 18000 36000	113.5 138.5 122.5 157.5	760218TN1 760318TN1
95	170 32 1.5 1.1 200 45 1.5 1.1	110.0 355.0 163.0 510.0	750 1250 670 1100	6000 12000 24000 9500 19000 38000	119.5 146.5 130 165	760219TN1 760319TN1
100	180 34 1.5 1.1 215 47 1.5 1.1	122.0 400.0 193.0 610.0	700 1160 630 1050	7000 14000 28000 11000 22000 44000	125.5 154.5 140 178	760220TN1 760320TN1