Артикул: RX8908

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Forms 12, 12A

Name: Forms 12, 12A
Brand: Bosch Rexroth
SKU: RX8908

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Description

Product description

Product overview

Technical data

Technical notes

Fields of application

End bearings for screw ends in Forms 11 11A, 12, 12A

Application	Angular-contact thrust ball bearing LGF	Angular-contact thrust ball bearing LGN

	Slotted nut NMZ	Slotted nut NMA

Components

End bearings for screw ends

Form	Version 1)	Size		Angular-contact thrust ball bearing				Slotted nut
				LGF		LGN		NMZ/NMA
		d0	P	Abbreviation	Part number	Abbreviation	Part number	Abbreviation	Part number
12/12A	100	16	5/10/16	-	-	LGN-B-1034	R341400306	NMZ6x0,5	R344600104
	120	20	5/10/20/40	LGF-B-1255	R341400906	LGN-B-1242	R341400406	NMZ10x1	R344600204
	170	25	5/10/25	LGF-B-1762	R341401006	LGN-B-1747	R341400506	NMA15x1	R344602004
	200	32	5/10/20/32/64	LGF-B-2068	R341400106	LGN-B-2052	R341400606	NMA17x1	R344601404
	250	40	5/10/12/16/20/25/30/40	LGF-C-2575	R341401506	LGN-C-2557	R341401406	NMA20x1	R344601504
	300	40		LGF-B-3080	R341401106	LGN-B-3062	R341400706	NMA25x1,5	R344601104
	301	50		LGF-C-3080	R341402706	LGN-C-3062	R341402306	NMA25x1,5	R344601104
	350	50	5	LGF-B-3590	R341402606	LGN-B-3572	R341402206	NMA30x1,5	R344601604
	400	63	10/20/40	LGF-B-40115	R341402806	LGN-A-4090	R341402406	NMA35x1,5	R344601204
	500	80	10/20/40	LGF-A-50140	R341402906	LGN-A-50110	R341402506	NMA40x1,5	R344601804

1)	The allocation of screw ends to the bearing assemblies is clearly defined by the version.

Legend

Symbol	Description
d0	Nominal diameter
P	Lead

Slotted nuts NMA for fixed bearings

For maximum vibratory loads
For new designs

Not product-specific documents
Catalog
Service
CAD data

Slotted nuts NMZ for fixed bearings

For existing designs
For timing belt side drive
For driven nuts

Not product-specific documents
Catalog
Service
CAD data

Dimensions

1)	Undercut form E DIN 509
2)	Thread undercut 76 short

Dimensions and technical data

Form	Version 1)	Rexroth Ball Screw Assembly size		Dimensions							Keyway as per DIN 6885			Centering hole		Hex socket		Thread		Wrench size
		d0	P	Ljf	D1	L1	D2	L2	G1	LG1	b	l	t	Z	tz	S	ts	G	tG	SW	bsw	lsw
				Ljf	h11	L1	h7	L2	G1	LG1	P9	l	t	Z	tz	S	ts	G	tG	SW	bsw	lsw
				mm	mm	mm	mm	mm		mm	mm	mm	mm		mm	mm	mm		mm	mm	mm	mm
12/12A	100	16	5/10/16	48	10	18	8	20	M6x0,5	10	2	14	1.2	-	-	-	-	-	-	11	10	8.5
	120	20	5/10/20/40	60	12	23	10	25	M10x1	12	3	20	1.8	M3	9	4	4	M4	6	15		8.5
	170	25	5/10/25	75	17	23	15	30	M15x1	22	5	25	3	M5	12.5	4	4	M6	9	19		10.5
	200	32	5/10/20/32/64	88	20	26	18	40	M17x1		6	28	3.5	M6	16	5	5	M6	9	24	15	10.5
	250	40	5/10/12/16/20/25/30/40	126	25	54	22	50	M20x1		6	36	3.5	M6	16	5	5	M8	12	30		12.5
	300	40		101	30	25	28		M25x1,5	26	8		4	M10	22	8	8	M10	15	30		12.5
	301	50		130	30	54	28		M25x1,5		8		4			8	8	M10	15	41	22	15.5
	350	50	5	118	35	32	32	60	M30x1,5		10	40	5			10	10	M12	18	41	22	15.5
	400	63	10/20/40	132	40	44	38	60	M35x1,5	28	10	40	5	M12	28	12	12	M12	18	50	27	16.5
	500	80	10/20/40	160	50	52	48	80	M40x1,5	28	14	63	5.5	M16	36	12	12	M16	24	60	27	18.5

1)	The allocation of screw ends to the bearing assemblies is clearly defined by the version.

Legend

Symbol	Description
d0	Nominal diameter
P	Lead

Project planning information

Separate technical size selection of the permissible drive torque is essential in all cases.

Calculation

Mounting

load error

Certification

load error

Safety Instructions

load error

Downloads

	Ball Screw Assemblies Manual \| R320103992 \| 2011-06-01 \| English, French, German, Italian \| PDF \| 2MB Product Groups: Linear Screw Assemblies
	Ball Screw Assemblies Manual \| R320103993 \| 2011-06-01 \| English, German, Spanish, Portuguese \| PDF \| 2MB Product Groups: Linear Screw Assemblies only PDF
	Catalog screw assemblies Catalog \| R999001185 \| 2021-04-01 \| English \| PDF \| 30.7MB Product Groups: Ball Screw Assemblies, Planetary Screw Assemblies Only available as PDF - Ball screw assemblies BASA/Planetary screw assemblies PLSA

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