Артикул: RX8875

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Flanged single nut FED-E-B

Name: Flanged single nut FED-E-B
Brand: Bosch Rexroth
SKU: RX8875

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Description

Connection dimensions similar to DIN 69051, Part 5 flange type B
Nut for significantly increasing the dynamic and static load capacity
With seals
Preload class: C0, C00, C1, C2
Tolerance grade: T3 (for sizes as per the product overview for screws, see general technical notes and information, “Product description”), T5, T7, T9

Product description

Product overview

Technical data

Technical data for nuts

Size	C	C0	vmax	Mass
d0 x P x Dw - i	N	N	m/min	kg
16 x 16 R x 3 - 6	17800 1)	24200 1)	96 2)	0.27
20 x 20 R x 3,5 - 6	25700 1)	38100 1)	120 2)	0.48
25 x 25 R x 3,5 - 6	28500 1)	47100 1)	150 2)	0.63
32 x 20 R x 3,969 - 6	38300 1)	67300 1)	94 2)	0.91
32 x 32 R x 3,969 - 6	37900 1)	68000 1)	150 2)	1.25
40 x 20 R x 6 - 8	95500 1)	171100 1)	75 2)	1.85
40 x 25 R x 6 - 8	91400 1)	171700 1)	93 2)	1.88
40 x 30 R x 6 - 8	90400 1)	170300 1)	112 2)	2.13
40 x 40 R x 6 - 6	71500 1)	124500 1)	150 2)	2.35
50 x 20 R x 6,5 - 8	116500 1)	240000 1)	60 2)	2.5
50 x 25 R x 6,5 - 6	92600 1)	175100 1)	75 2)	2.45
50 x 30 R x 6,5 - 8	114500 1)	237700 1)	90 2)	3.04
50 x 40 R x 6,5 - 6	89300 1)	171500 1)	120 2)	3.4
63 x 20 R x 6,5 - 8	130800 1)	292000 1)	48 2)	3.9
63 x 40 R x 6,5 - 6	100000 1)	230600 1)	95 2)	5.05

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")

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 16 R x 3 - 6	-10 °C ... +80 °C	-15 °C ... +80 °C
20 x 20 R x 3,5 - 6
25 x 25 R x 3,5 - 6
32 x 20 R x 3,969 - 6
32 x 32 R x 3,969 - 6
40 x 20 R x 6 - 8
40 x 25 R x 6 - 8
40 x 30 R x 6 - 8
40 x 40 R x 6 - 6
50 x 20 R x 6,5 - 8
50 x 25 R x 6,5 - 6
50 x 30 R x 6,5 - 8
50 x 40 R x 6,5 - 6
63 x 20 R x 6,5 - 8
63 x 40 R x 6,5 - 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).

Legend

Symbol	Description	Unit
d0	Nominal diameter
P	Lead (R = right-hand)
Dw	Ball diameter
i	Number of ball track turns
C	Dynamic load capacity	N
C0	Static load capacity	N
Fmax	Maximum static load	kN
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

Dimensions

Size	d1	d2	D1	D5	Hole pattern	D6	D7	L	L3	L4	L5	L10	L14	S	Sx
d0 x P x Dw - i	d1	d2	g6	D5	Hole pattern	D6	D7	L	L3	L4	L5	L10	L14	S	Sx
d0 x P x Dw - i	mm	mm	mm	mm		mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
16 x 16 R x 3 - 6	15	12.9	28	48	BB2	38	5.5	61	12	20	6	43	40	M6	4
20 x 20 R x 3,5 - 6	19	16.7	36	58		47	6.6	77		25	8	57	44
25 x 25 R x 3,5 - 6	24	21.4	40	62		51	6.6	95		30	9	74	48
32 x 20 R x 3,969 - 6	31	27.9	50	80		65	9	84	13	25	11	60	62
32 x 32 R x 3,969 - 6	31	27.9	50	80		65		120	13	40	12	95	62
40 x 20 R x 6 - 8	38	33.8	63	93	BB1	78		108	15	25	13	80	70	M8x1	5
40 x 25 R x 6 - 8				93				127		30	11.5	100.5
40 x 30 R x 6 - 8				110				145		35		118.5
40 x 40 R x 6 - 6				93				142		45		115.5
50 x 20 R x 6,5 - 8	48	43.3	75	110		93	11	112	18	25	13	81	85
50 x 25 R x 6,5 - 6								107		25	13.5	75.5
50 x 30 R x 6,5 - 8								151		35	15	118
50 x 40 R x 6,5 - 6								149		45	15	116
63 x 20 R x 6,5 - 8	61	56.3	95	135		115	13.5	112	22	25	11	79	100
63 x 40 R x 6,5 - 6	61	56.3	95	135		115	13.5	149	22	45	12	115	100

Legend

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

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

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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