Артикул: RX8888

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Double nut with flange FDM-E-B

Name: Double nut with flange FDM-E-B
Brand: Bosch Rexroth
SKU: RX8888

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Description

Connection dimensions similar to DIN 69051, Part 5 flange type B
With seals
Preload class: C4, C5
Tolerance grade: T3 (for sizes as per the product overview for screws, see General Technical Notes and Information "Product description"), T5, T7

Product description

Product overview

Technical data

Operating conditions

Size	Admissible operating temperature (min ... max) 1)	Admissible storage temperature (min ... max)
d0 x P x Dw - i	Admissible operating temperature (min ... max) 1)	Admissible storage temperature (min ... max)
16 x 5R x 3 - 4	-10 °C ... +80 °C	-15 °C ... +80 °C
20 x 5R x 3 - 4
25 x 5R x 3 - 4
25 x 10R x 3 - 4
32 x 5R x 3,5 - 4
32 x 10R x 3,969 - 5
40 x 5R x 3,5 - 5
40 x 10R x 6 - 4
40 x 10R x 6 - 6
40 x 20R x 6 - 3
50 x 5R x 3,5 - 5
50 x 10R x 6 - 4
50 x 10R x 6 - 6
50 x 20R x 6,5 - 5
63 x 10R x 6 - 4
63 x 10R x 6 - 6
63 x 20R x 6,5 - 5
80 x 10R x 6,5 - 6
80 x 20R x 12,7 - 6

1)	Ball screw assemblies are suitable for continuous operation at temperatures up to 80 °C with temporary peaks of 100 °C (measurements taken on the outer shell of the nut).

Technical data for nuts

Size	C	C0	vmax	Mass
d0 x P x Dw - i	N	N	m/min	kg
16 x 5R x 3 - 4	14800 1)	16100 1)	30 2)	0.29
20 x 5R x 3 - 4	17200 1)	21500 1)		0.53
25 x 5R x 3 - 4	19100 1)	27200 1)		0.57
25 x 10R x 3 - 4	18800 1)	27000 1)	60 2)	0.77
32 x 5R x 3,5 - 4	25900 1)	40000 1)	23 2)	0.96
32 x 10R x 3,969 - 5	38000 1)	58300 1)	47 2)	1.34
40 x 5R x 3,5 - 5	34900 1)	64100 1)	19 2)	1.68
40 x 10R x 6 - 4	60000 1)	86400 1)	38 2)	2.15
40 x 10R x 6 - 6	86500 1)	132200 1)	38 2)	2.73
40 x 20R x 6 - 3	45500 1)	62800 1)	75 2)	2.56
50 x 5R x 3,5 - 5	38400 1)	81300 1)	15 2)	2.25
50 x 10R x 6 - 4	66500 1)	109000 1)	30 2)	2.97
50 x 10R x 6 - 6	95600 1)	166500 1)	30 2)	3.73
50 x 20R x 6,5 - 5	90800 1)	149700 1)	60 2)	4.93
63 x 10R x 6 - 4	74200 1)	140500 1)	24 2)	4
63 x 10R x 6 - 6	106600 1)	214300 1)	24 2)	4.45
63 x 20R x 6,5 - 5	100700 1)	190300 1)	48 2)	8.21
80 x 10R x 6,5 - 6	130100 1)	291700 1)	19 2)	5.93
80 x 20R x 12,7 - 6	315200 1)	534200 1)	30 2)	19.4

1)	The load ratings are valid for tolerance grades T3 and T5 only. For other tolerance grades, please take into account the correction factor fac (see General Technical Notes and Information "Technical Data", Technical Notes).
2)	See "characteristic speed d0 • n" (see General Technical Notes and Information "Technical Data" (Technical Notes), and "Critical Speed ncr" (see General Technical Notes and Information, "Project planning notes")

Legend

Symbol	Description	Unit
d0	Nominal diameter	mm
P	Lead (R = right-hand)
Dw	Ball diameter	mm
i	Number of ball track turns
C	Dynamic load capacity	N
C0	Static load capacity	N
vmax	Maximum permissible speed	m/min

Technical notes

Dimensions

1)	Lube port at flange center (lube port machining: Flat surface L3 ≤ 15 mm, countersink L3 > 15 mm)
2)	Nut rework: Axial lube port

Legend

Symbol	Description	Unit
d0	Nominal diameter	mm
P	Lead (R = right-hand)
Dw	Ball diameter	mm
i	Number of ball track turns

Dimensions

Size	d1	d2	D1	D5	Hole pattern	D6	D7	L	L3	L4	L9	L10	L14	S 1)	Sx
d0 x P x Dw - i	d1	d2	g6	D5	Hole pattern	D6	D7	L	L3	L4	L9	L10	L14	S 1)	Sx
d0 x P x Dw - i	mm	mm	mm	mm		mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
16 x 5R x 3 - 4	15	12.9	28	48	BB2	38	5.5	72	12	10	-	60	40	M6	4
20 x 5R x 3 - 4	19	16.9	36	58		47	6.6	82				70	44
25 x 5R x 3 - 4	24	21.9	40	62		51		82				70	48
25 x 10R x 3 - 4	24	21.9	40	62		51		120		16		108	48
32 x 5R x 3,5 - 4	31	28.4	50	80		65	9	88	13	10		75	62
32 x 10R x 3,969 - 5	31	27.9	50	80		65		146	13	16		133	62
40 x 5R x 3,5 - 5	39	36.4	63	93	BB1	78		100	15	10		85	70	M8x1	5
40 x 10R x 6 - 4	38	33.8						140		16		125
40 x 10R x 6 - 6								180		16		165
40 x 20R x 6 - 3								175		25		160
50 x 5R x 3,5 - 5	49	46.4	75	110		93	11	100		10		85	85
50 x 10R x 6 - 4	48	43.8						140	18	16		122
50 x 10R x 6 - 6		43.8						180		16		162
50 x 20R x 6,5 - 5		43.3						255		25		237
63 x 10R x 6 - 4	61	56.8	90	125		108		140	22	16		118	95
63 x 10R x 6 - 6		56.8	90	125		108		180		16		158	95
63 x 20R x 6,5 - 5		56.3	95	135		115	13.5	255		25		233	100
80 x 10R x 6,5 - 6	78	73.3	105	145		125		190		16		168	110
80 x 20R x 12,7 - 6	76	67	125	165		145		340	25	25	130	315	85

1)	Lube port machining: Flat surface L3 ≤ 15 mm, countersink L3 > 15 mm

Project planning information

Calculation

Mounting

Installation

Commissioning

Attention: When setting up applications, do not allow components to collide with the front lube unit.

Maintenance

load error

Certification

load error

Delivery notes

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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