BOSCH REXROTH
R150217065

$576.35 USD

BOSCH REXROTH
Material:R150217065
Model:FEM-E-C20X20RX3,5-3

Quantity in stock: 0

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth FEM-E-C 20X20RX35-3 (R150217065) is a high-precision ball screw assembly designed for linear motion applications. This single nut with flange FEMEC model boasts a nominal diameter of 20 mm, a lead of 35 mm, and a right-hand thread direction. It features a flange type C, which is similar to DIN standards, and can also be provided in flange type B upon request. The nut comes equipped with standard seals and standard axial clearance, enhancing its durability and reliability in various operating conditions. The FEM-E-C 20X20RX35-3 is designed to accommodate dynamic load capacities specific to tolerance grades T7 and T5; users should refer to the correction factor for other tolerance grades as outlined in the product's technical notes. It operates efficiently within a temperature range of -10°C to +100°C, withstanding continuous operation at these temperatures while tolerating temporary peaks up to 120°C as measured on the nut's outer shell. This model is part of the Standard series in Bosch Rexroth's product lineup and falls under the Productgroup ID indicating it as a screw drive nut within ball screw assemblies. Its design allows for maximum permissible linear speeds that vary according to lead specifications – details can be found in the characteristic speed section of technical notes. With its robust construction and precise engineering, the Bosch Rexroth FEM-E-C 20X20RX35-3 offers reliable performance in linear motion systems where high accuracy and efficiency are required. The unit's static load rating, dynamic load capacity, and permissible operating temperatures are all meticulously specified to ensure optimal functionality for users seeking top-tier components for their mechanical setups.

Single nut with flange FEM-E-C, size 20 x 20R x 3.5 - 3

Single nut with flange FEM-E-C with standard seal and standard axial clearance
Nominal diameter d0 = 20
Lead P = 20 (right)
Ball diameter Dw = 3.5
Number of ball track turns i = 3

Unpacked Weight: 0.595 kg

Product overview

Mounting dimensions similar to DIN 69051, Part 5 flange type C (flange type B available).
With seals
With left-hand version in some cases
Preload class: C0, C00, C1, C2, C3
Tolerance grade: T3 (for sizes as per the product overview for screws, see general technical notes and information, “Product description”), T5, T7, T9

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3D CAD	Download 3D CAD
3D CAD	Download 3D CAD
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual

Size D5	58
Size L with tolerance	77 mm
Bearing temperature max	+80
Nut type	FEM-E-C single nut with flange
Series	Standard series
Bearing temperature min	-15
Productgroup ID	17
Nut or screw	Screw drive nut
Screw drive version (drive type)	Ball screw assembly
Maximum operating temperature	+80
Footnote dynamic load capacity C	The load capacities are valid for tolerance grade T3 and T5 only. For other tolerance grades, please take into account the correction factor f_ac (see General Technical Notes and Information "Technical Data", Technical Notes).
Bearing temperature	-15 °C ... +80 °C
Category	A
Minimum operating temperature	-10
Size L4	25
Size D6	47
Size L3	12
Size L9	51
Size D7	6.6
Size L10	65
Operating temperature	-10 °C ... +80 °C
Maximum permissible linear speed vmax (m/min)	120
Lead	20
Footnote static load capacity C0	The load capacities are valid for tolerance grade T3 and T5 only. For other tolerance grades, please take into account the correction factor f_ac (see General Technical Notes and Information "Technical Data", Technical Notes).
Hole pattern	BB2
Static load rating C0	18800
Size Sx	4
Footnote permissible operating temperature (min...max)	Ball screw assemblies permit operation at continuous temperatures of up to 80 °C with temporary peaks of 100 °C, measurements taken on the outer shell of the nut in each case.
Size D1 g6	36
Dynamic load capacity C	16000
Size d1	19
Size L	77
Size d2	16.7
Footnote operating temperature max.	Ball screw assemblies permit operation at continuous temperatures of up to 80°C with temporary peaks of 100°C, measurements taken on the outer shell of the nut in each case.
Note: Maximum permissible speed vmax	See "Characteristic speed d₀• n" (section Technical notes) and "Critical speed n_cr" (section Calculation and examples)
Weight	0.595
Nominal size	20 x 20R x 3,5 - 3

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)	0.19
16 x 10R x 3 - 3	11500 1)	12300 1)	60 2)	0.21
16 x 16R x 3 - 3	11200 1)	12000 1)	96 2)	0.26
20 x 5R x 3 - 4	17200 1)	21500 1)	30 2)	0.31
20 x 10R x 3 - 4	16900 1)	21300 1)	60 2)	0.4
20 x 20R x 3,5 - 3	16000 1)	18800 1)	120 2)	0.49
25 x 5R x 3 - 4	19100 1)	27200 1)	30 2)	0.36
25 x 10R x 3 - 4	18800 1)	27000 1)	60 2)	0.47
25 x 25R x 3,5 - 3	17600 1)	23300 1)	150 2)	0.63
32 x 5R x 3,5 - 4	25900 1)	40000 1)	23 2)	0.62
32 x 10R x 3,969 - 5	38000 1)	58300 1)	47 2)	0.84
32 x 20R x 3,969 - 3	23600 1)	33700 1)	94 2)	0.9
32 x 32R x 3,969 - 3	23400 1)	34000 1)	150 2)	1.21
40 x 5R x 3,5 - 5	34900 1)	64100 1)	19 2)	1.03
40 x 10R x 6 - 4	60000 1)	86400 1)	38 2)	1.19
40 x 10R x 6 - 6	86500 1)	132200 1)	38 2)	1.49
40 x 12R x 6 - 4	59900 1)	86200 1)	45 2)	1.27
40 x 16R x 6 - 4	59600 1)	85900 1)	60 2)	1.51
40 x 20R x 6 - 3	45500 1)	62800 1)	75 2)	1.44
40 x 25R x 6 - 4	56900 1)	85800 1)	93 2)	1.91
40 x 30R x 6 - 4	56300 1)	85100 1)	112 2)	2.21
40 x 40R x 6 - 3	44400 1)	62300 1)	150 2)	2.16
50 x 5R x 3,5 - 5	38400 1)	81300 1)	15 2)	1.39
50 x 10R x 6 - 6	95600 1)	166500 1)	30 2)	2.14
50 x 12R x 6 - 6	95500 1)	166400 1)	36 2)	2.38
50 x 16R x 6 - 6	95300 1)	166000 1)	48 2)	2.75
50 x 20R x 6,5 - 5	90800 1)	149700 1)	60 2)	2.73
50 x 30R x 6,5 - 4	71300 1)	118800 1)	90 2)	3.12
50 x 40R x 6,5 - 3	55800 1)	85900 1)	120 2)	3.04
63 x 10R x 6 - 6	106600 1)	214300 1)	24 2)	2.56
63 x 20R x 6,5 - 5	100700 1)	190300 1)	48 2)	4.51
63 x 40R x 6,5 - 3	64100 1)	114100 1)	95 2)	5.04
80 x 10R x 6,5 - 6	130100 1)	291700 1)	19 2)	3.4
80 x 20R x 12,7 - 6	315200 1)	534200 1)	30 2)	10.2
16 x 5L x 3 - 4	14800 1)	16100 1)		0.19
20 x 5L x 3 - 4	17200 1)	21500 1)		0.31
25 x 5L x 3 - 4	19100 1)	27200 1)		0.36
32 x 5L x 3,5 - 4	25900 1)	40000 1)	23 2)	0.62
40 x 5L x 3,5 - 5	34900 1)	64100 1)	19 2)	1.03
40 x 10L x 6 - 4	60000 1)	86400 1)	38 2)	1.19

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" (section Technical notes) and "critical speed n"cr" (section Calculation and examples)

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
16 x 10R x 3 - 3
16 x 16R x 3 - 3
20 x 5R x 3 - 4
20 x 10R x 3 - 4
20 x 20R x 3,5 - 3
25 x 5R x 3 - 4
25 x 10R x 3 - 4
25 x 25R x 3,5 - 3
32 x 5R x 3,5 - 4
32 x 10R x 3,969 - 5
32 x 20R x 3,969 - 3
32 x 32R x 3,969 - 3
40 x 5R x 3,5 - 5
40 x 10R x 6 - 4
40 x 10R x 6 - 6
40 x 12R x 6 - 4
40 x 16R x 6 - 4
40 x 20R x 6 - 3
40 x 25R x 6 - 4
40 x 30R x 6 - 4
40 x 40R x 6 - 3
50 x 5R x 3,5 - 5
50 x 10R x 6 - 6
50 x 12R x 6 - 6
50 x 16R x 6 - 6
50 x 20R x 6,5 - 5
50 x 30R x 6,5 - 4
50 x 40R x 6,5 - 3
63 x 10R x 6 - 6
63 x 20R x 6,5 - 5
63 x 40R x 6,5 - 3
80 x 10R x 6,5 - 6
80 x 20R x 12,7 - 6
16 x 5L x 3 - 4
20 x 5L x 3 - 4
25 x 5L x 3 - 4
32 x 5L x 3,5 - 4
40 x 5L x 3,5 - 5
40 x 10L x 6 - 4

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	mm
P	Lead (R = right-hand, L = left-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

technical illustration-R150217065-Single nut with flange FEM-E-C, size 20 x 20R x 3.5 - 3

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	L9 1)	L10	S 2)	Sx
d0 x P x Dw - i	d1	d2	g6	D5	Hole pattern	D6	D7	L	L3	L4	L9 1)	L10	S 2)	Sx
d0 x P x Dw - i	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	38	12	10	44	26	M6	4
16 x 10R x 3 - 3								45		16		33
16 x 16R x 3 - 3								61		20		49
20 x 5R x 3 - 4	19	16.9	36	58		47	6.6	40		10	51	28
20 x 10R x 3 - 4		16.9						60		16		48
20 x 20R x 3,5 - 3		16.7						77		25		65
25 x 5R x 3 - 4	24	21.9	40	62		51		45		10	55	33
25 x 10R x 3 - 4		21.9						64		16		52
25 x 25R x 3,5 - 3		21.4						95		30		83
32 x 5R x 3,5 - 4	31	28.4	50	80		65	9	48	13	10	71	35
32 x 10R x 3,969 - 5		27.9						77		16		64
32 x 20R x 3,969 - 3								84		25		71
32 x 32R x 3,969 - 3								120		40		107
40 x 5R x 3,5 - 5	39	36.4	63	93	BB1	78		54	15	10	81.5	39	M8x1	5
40 x 10R x 6 - 4	38	33.8						70		16		55
40 x 10R x 6 - 6								90		16		75
40 x 12R x 6 - 4								75		25		60
40 x 16R x 6 - 4								90				75
40 x 20R x 6 - 3								88				73
40 x 25R x 6 - 4								127		30		112
40 x 30R x 6 - 4								145		35		130
40 x 40R x 6 - 3								142		45		127
50 x 5R x 3,5 - 5	49	46.4	75	110		93	11	54		10	97.5	39
50 x 10R x 6 - 6	48	43.8						90	18	16		72
50 x 12R x 6 - 6								105		25		87
50 x 16R x 6 - 6								128				110
50 x 20R x 6,5 - 5		43.4						132				114
50 x 30R x 6,5 - 4								151		35		133
50 x 40R x 6,5 - 3								149		45		131
63 x 10R x 6 - 6	61	56.8	90	125		108		90	22	16	110	68
63 x 20R x 6,5 - 5		56.4	95	135		115	13.5	132		25	117.5	110
63 x 40R x 6,5 - 3		56.4	95	135		115		149		45	117.5	127
80 x 10R x 6,5 - 6	78	73.3	105	145		125		95		16	127.5	73
80 x 20R x 12,7 - 6	76	67	125	165		145		170	25	25	147.5	145
16 x 5L x 3 - 4	15	12.9	28	48	BB2	38	5.5	38	12	10	44	26	M6
20 x 5L x 3 - 4	19	16.9	36	58		47	6.6	40			51	28
25 x 5L x 3 - 4	24	21.9	40	62		51	6.6	45			55	33
32 x 5L x 3,5 - 4	31	28.4	50	80		65	9	48	13		71	35
40 x 5L x 3,5 - 5	39	36.4	63	93	BB1	78		54	15		81.5	39	M8x1
40 x 10L x 6 - 4	38	33.8	63	93	BB1	78		70	15	16	81.5	55	M8x1

1)	Flange type B (two flat surfaces) option available!
2)	Lube port machining: Flat surface L3 ≤ 15 mm, countersink L3 > 15 mm. With left-hand lead the lube port position mirrors its position with right-hand lead!

Legend

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

Calculation

Installation

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

Lubrication

Nut housing MGD

Steel nut housings MGD are designed for FEM-E-C, FDM-E-C, SEM-E-C and FED-E-B nuts

Catalog

Service

CAD data

Directives and standards

Required and supplementary documentation

For further instructions and information, please refer to the documentation for this product.

You can find PDF files of these documents on the Internet at www.boschrexroth.com/mediadirectory.

If you are unsure about using this product, please contact Bosch Rexroth.

Notes