NSK

Manufacturer	NSK
Description	Ball Screw Support bearing - BSF1255
Part number	BSF1255
Mass	0.37 kg
Inner diameter	12 mm

	Bearing Numbers	d (mm)	D (mm)	B (mm)	r (min) (mm)	r1 (min) (mm)	d1 (mm)	D1 (mm)	J (mm)	d2 (mm)	l (mm)	b (mm)	t	Fixing screws - Size	Fixing screws - Quantity	Basic Dynamic Load Rating (kN)	Basic Static Load Rating (kN)	Limiting Axial Load (kN)	(kg.cm²)	Axial rigidity	tilt_rigid	(kg)	Limiting Speed - Grease (min-1)	Starting torque (N.m)	Recommended Clamping Force (N)
1	1	BSF1255	12	55	25	0.3	0.6	23.7	32.7	42	6.8	17	3	3x120°	M6	3	18.5	24	17.6	0.068	375	50	0.37	8000	0.05	4030
2	2	BSF1560	15	60	25	0.3	0.6	26.7	35.7	46	6.8	17	3	3x120°	M6	3	19.4	26.9	19.4	0.101	400	60	0.44	7200	0.05	4050
3	3	BSF1762	17	62	25	0.6	0.6	28.1	37.7	48	6.8	17	3	3x120°	M6	3	20.3	29.7	21.2	0.13	450	80	0.46	6700	0.05	4400
4	4	BSF2068	20	68	28	0.6	0.6	32.6	43	53	6.8	19	3	4x90°	M6	4	26.4	41	29.3	0.258	650	140	0.61	5800	0.13	7600
5	5	BSF2575	25	75	28	0.6	0.6	37.6	48	58	6.8	19	3	4x90°	M6	4	28.3	48	34	0.413	750	210	0.73	5100	0.16	8100
6	6	BSF3080	30	80	28	0.6	0.6	42.6	53	63	6.8	19	3	4x90°	M6	6	30	55.5	38.5	0.624	850	290	0.783	4500	0.19	8600
7	7	BSF30100	30	100	38	0.6	0.6	49.1	64.4	80	8.8	30	3	8x45°	M8	8	60.5	94	66.5	1.8	950	440	1.71	3900	0.59	11100
8	8	BSF3590	35	90	34	0.6	0.6	53.1	62.2	75	8.8	25	3	4x90°	M8	4	42	77.5	52	1.41	900	400	1.2	3800	0.21	13500
9	9	BSF40100	40	100	34	0.6	0.6	55.1	67.2	80	8.8	25	3	4x90°	M8	4	44.5	88	58.5	1.95	1000	560	1.49	3500	0.24	14100
10	10	BSF40115	40	115	46	0.6	0.6	63.1	80.1	94	8.8	36	3	12x30°	M8	12	78.5	135	91	5.2	1200	910	2.56	3100	1.02	18700
11	11	BSF50115	50	115	34	0.6	0.6	70.1	82.2	94	8.8	25	3	6x60°	M8	6	48	110	71.5	5	1250	1050	1.89	2800	0.33	15400
12	12	BSF50140	50	140	54	0.6	0.6	78.1	97.5	113	11	45	3	12x30°	M10	12	116	219	149	14.6	1400	1600	4.46	2500	1.06	19100
13	13	BSF60145	60	145	45	0.6	0.6	83.1	99.3	120	8.8	35	3	8x45°	M8	8	86.5	187	126	12.9	1300	1600	4.06	2400	0.5	20900

Ball Screw Support bearing - BSF Type