Brackets for Ball Screws - Block Type

MISUMI

- Brackets for Ball Screws - Block Type from MISUMI
- MISUMI offers a range of options for ball screw nuts that come in different sizes to match specific requirements.
- There are four types available: BNFB, made of S45C Equivalent material with Black oxide, BNFM, made of S45C Equivalent material with Electroless nickel plating, BNFR, made of S45C with Low temperature black chrome plating, and BNFA, made from Aluminum alloy with clear anodize.
- These nuts can be paired with 9 different sizes of ball screws ranging from 8mm to 32mm.
- Customers can choose the ideal combination of ball screw nut and size to match their specific application requirements.
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Ball screw nut brackets: block type

These block-type brackets come in size variations matched to MISUMI ball screw nut sizes, covering nine ball screw sizes from 8 mm to 32 mm. Choose the material and finish, then the No. that matches the ball screw.

Material and surface treatment

Unspecified tolerances conform to JIS B 0405 class m, except female thread depth.

Type	Material	Surface treatment
BNFB	S45C equivalent	Black oxide
BNFM		Electroless nickel plating
BNFR		Low-temperature black chrome plating
BNFA	Aluminum alloy	Clear anodized

Part numbers and dimensions

Ordering example

Type	-	H
BNFB802S	-	20

Type		H										A	B	P.C.D.	K	M1×ℓ	D	ℓ1	F	L	ℓ2	ℓ3	M2×ℓ	Applicable MISUMI ball screws
Type	No.	Selection										A	B	P.C.D.	K	M1×ℓ	D	ℓ1	F	L	ℓ2	ℓ3	M2×ℓ	BSX(C3)	BSS(C5) BSSE(C7)	BS□□□ (C10)
BNFB BNFM BNFR BNFA	801X	10	20									30	H+8	19	30	M3×5	12.4	24	8	16	3	10	M3×5	0801	-	-
	802S	18	20	23	25							40	H+13	27	45	M3×5	20.4	30	14	28	8	12	M4× 8	0802	0802	-
	802C	17	20	23	25							40	H+10	24	30	M4×7	16.4	30	12	24	6			-	-	0802
	802R	17	20	23	25	28	30					43	H+12	30	0	M4×7	20.4	34	17					-	-	0802
	804R	17	20	23	25	28	30					43	H+12	30	30	M3× 5	23.4	34	16					-	-	0804
	1002R	17	20	23	25	28	30					50	H+13.5	33	30	M4× 7		42						-	-	1002
	1002X	17	20	23	25	28	30					43	H+15.5	31	45			34		26	7			1002	-	-
	1002S	17	20	23	25	28	30	35	40			43	H+15.5	31	45			34		24	6			-	1002	-
	1004S		20	23	25	28	30	35	40			52	H+14	36	30		26.4	42	22	32	10	16	M5×10	-	1004	-
	1004C	17	20	23	25	28	30	35	40			50	H+13	31			22.4	40	18	27	6	15		-	-	1004
	1004R	17	20	23	25	28	30	35	40			52	H+14	36			26.4	42	22					-	-	1004
	1010R	17	20	23	25	28	30	35	40				H+15				28.4		23					-	-	1010
	1010S	17	20	23	25	28	30	35	40				H+15				28.4		23	34	7	20		-	1010	-
	1202S		20	23	25	28	30	35	40			50	H+17	33	45		25.4	40	15	28	8	14		1202	1202	-
	1204S			23	25	28	30	35	40			50	H+20.5	41	45	M5× 7	30.4	40	20	34	7	20		-	1204	-
	1204C		20	23	25	28	30	35	40			52	H+14	33	30	M4× 7	24.4	42	20	27	6	15		-	-	1204
	1204R		20	23	25	28	30	35	40			60	H+15	40			30.4	50	24	29	7	15		-	-	1204
	1205S		20	23	25	28	30	35	40				H+16	40						36	8	20		1205	1205	-
	1210S		20	23	25	28	30	35	40					41		M5× 7				40	10			-	1210	1210
	1405R		20	23	25	28	30	35	40					40		M4× 7				40	10			-	-	1405
	1505C		20	23	25	28	30	35	40	45			H+17	42		M5× 7	31.4			34	7		M6×12	-	-	1505
	1505R		20	23	25	28	30	35	40	45		62		44		M4× 7	34.4	52	28	34	7			-	-	1505
	1505S		20	23	25	28	30	35	40	45				45		M5× 7				36	8			1505	1505	-
	1510S		20	23	25	28	30	35	40	45				45						42	11			-	1510	-
	1510C		20	23	25	28	30	35	40	45				42			31.4		24	38	7	24		-	-	1510
	1510R		20	23	25	28	30	35	40	45				45			34.4		28	44	7	30		-	-	1510
	1520S			23	25	28	30	35	40	45				45			34.4		28	50	10	30		-	1520	1520
	2005C				25	28	30	35	40	45		72	H+19	49		M6×10	36.4	60	26	40		20	M8×16	-	-	2005
	2010C				25	28	30	35	40	45		72	H+19	49		M6×10	36.4	60	26	50		30		-	-	2010
	2005S				25	28	30	35	40	45		76	H+20	53		M6×10	40.4	64	34	55		35		-	2005	-
	2005R				25	28	30	35	40	45		68	H+20	50		M4× 7		56	34	40		20		-	-	2005
	2020R				25	28	30	35	40	45		68	H+19.5	50		M5× 7		56	32	70	15	40			-	2020
	2505C					28	30	35	40	45	55	76	H+24	53		M6×10	42.4	64	32	40	10	20			-	2505
	2505R					28	30	35	40	45	55	76	H+21	55		M5× 7	43.4	62	38	60		40	M10×20		-	2505
	2010S					28	30	35	40	45	55	82	H+23	59		M6×10	46.4	70	40	55		35	M8×16		2010/2020	-
	2525R					28	30	35	40	45	55	82	H+23	60			47.4	70	40	90		70			-	2525
	2505S						30	35	40	45	55	76	H+28.5	60	45		47.4	64	32	40		20			2505	-
	2010R						32	35	40	45	55	84	H+26	67	30		52.4	72	46	60		40			-	2010
	2510S						32	35	40	45	55	94	H+26	68		M8×12	52.4	80	44	55		35	M10×20		2510/2520	-
	2510R							35	40	45	55	100	H+30	78		M8×12	60.4	86	54	60		40	M10×20		-	2510
	2806R							35	40	45	55	87	H+26	65		M6×10	50.4	75	42	60		40	M8×16		-	2806
	3232R							35	40	45	55	106	H+30	74		M8×12	58.4	86	50	75		55	M10×20		-	3232
	3210R								40	45	55	116	H+33	85		M8×12	67.4	96	58	80		60	M10×20		-	3210
No. 802R has 2 holes. No. □□□□C is for the C10 rolled ball screw compact type.

No nut brackets are available for Economy Series ball screws.

Application examples

Ball screw nut brackets: block type