MACHINE TOOL SPINDLE BEARINGS

Angular Contact, BA / BT Series

Notes:

BA = 30° contact angle
BT = 40° contact angle

Click on part number to check availability.

ANGULAR CONTACT, BA / BT SERIES
Bore "d" (mm)	OD "D" (mm)	Width "B" (mm)	Alpine Bearing Part No.	Load Ratings N		Speed Ratings RPM		Standard Preload N
Bore "d" (mm)	OD "D" (mm)	Width "B" (mm)	Alpine Bearing Part No.	Static	Dynamic	Oil	Grease	Standard Preload N
50	80	28.5	50BA10 50BT10	19,200 22,800	42,500 48,500	11,000 9,000	9,000 7,500	294 539
55	90	33	55BA10 55BT10	23,800 28,200	54,000 61,500	9,500 8,500	8,500 6,700	392 686
60	95	33	60BA10 60BT10	24,700 29,300	59,000 67,000	9,000 7,500	7,500 6,300	392 686
65	100	33	65BA10 65BT10	25,500 30,500	64,000 72,500	8,500 7,100	7,100 6,000	392 686
70	110	36	70BA10 70BT10	35,000 41,500	84,000 95,500	8,000 6,700	6,700 5,600	588 1,079
75	115	36	75BA10 75BT10	35,500 42,000	88,000 100,000	7,500 6,300	6,300 5,300	588 1,079
80	125	40.5	80BA10 80BT10	41,500 49,500	105,000 119,000	6,700 6,000	6,000 4,800	686 1.275
85	130	40.5	85BA10 85BT10	42,000 50,000	109,000 124,000	6,700 5,600	5,600 4,800	686 1,275
90	140	45	90BA10 90BT10	55,500 65,500	142,000 161,000	6,000 5,300	5,300 4,300	1,078 1,863
95	145	45	95BA10 95BT10	56,000 66,500	148,000 168,000	6,000 5,000	5,000 4,300	1,078 1,863
100	150	45	100BA10 100BT10	57,000 67,500	154,000 175,000	5,600 4,800	4,800 4,000	1,078 1,863
105	160	49.5	105BA10 105BT10	64,500 76,500	177,000 201,000	5,300 4,500	4,500 3,800	1,177 2,059
110	170	54	110BA10 110BT10	73,000 86,500	201,000 228,000	5,000 4,300	4,300 3,600	1,373 2,452
120	180	54	120BA10 120BT10	75,000 89,000	217,000 246,000	4,800 4,000	4,000 3,400	1,471 2,550
130	200	63	130BA10 130BT10	94,500 112,000	262,000 299,000	4,300 3,600	3,600 3,000	1,863 3,334
140	210	63	140BA10 140BT10	103,000 122,000	305,000 345,000	4,000 3,400	3,400 2,800	1,961 3,530
150	225	67.5	150BA10 150BT10	121,000 143,000	360,000 410,000	3,800 3,200	3,200 2,600	2,452 4,315
160	240	72	160BA10 160BT10	131,000 155,000	395,000 450,000	3,600 3,000	3,000 2,600	2,648 4,511
170	260	81	170BA10 170BT10	154,000 182,000	470,000 535,000	3,200 2,800	2,800 2,400	3,040 5,296
180	280	90	180BA10 180BT10	197,000 234,000	590,000 670,000	3,000 2,600	2,600 2,200	4,413 7,649
190	290	90	190BA10 190BT10	200,000 238,000	615,000 700,000	3,000 2,600	2,600 2,000	4,416 7,649
200	310	99	200BA10 200BT10	222,000 263,000	680,000 770,000	2,800 2,400	2,400 2,000	5,001 8,630
ANGULAR CONTACT, STEEL BALL, ULTRA LIGHT SERIES 1900


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