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R155211085

BALL NUT FEM-E-C 20X5LX3-4

Manufacturer: Bosch Rexroth

Material #: R155211085

Model : FEM-E-C 20X5LX3-4


***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 20X5LX3-4 (R155211085) is a high-precision ball screw assembly designed for linear motion applications requiring efficiency and accuracy. This single nut with flange FEMEC features a nominal diameter of 20 mm and a lead of 5 mm, configured with left-hand thread direction. The nut is designed to accommodate ball diameters that work in harmony with the number of ball track turns to ensure smooth movement. The FEM-E-C 20X5LX3-4 conforms to DIN standards, ensuring compatibility and interchangeability with similar mounting dimensions. It comes equipped with standard seals and standard axial clearance, enhancing its durability and performance longevity. The flange type C indicates its specific mounting configuration, although a type B flange variant is also available within the series. This product belongs to the Standard series in the Bosch Rexroth product lineup, known for their reliability and performance consistency. It has been engineered for dynamic load capacities specific to tolerance grades T7 and T9, as indicated by the footnote regarding dynamic load capacity C. Users are advised to consult technical notes for correction factors when operating with different tolerance grades. With an impressive operating temperature range from -10°C up to +80°C, this ball screw assembly can handle continuous operation at high temperatures without compromising functionality or lifespan. It can withstand temporary peaks up to 100°C, as measured on the outer shell of the nut. The maximum permissible linear speed (vmax) is tailored to its lead specification. Lastly, this model boasts a static load rating that ensures stability under static or low-speed conditions. Its precise engineering ensures an optimal balance between load capacity and speed potential, making it an ideal component for various linear motion control applications where quality and precision are paramount.
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$694.38 USD

Availability: Backordered
Ships from US
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Note: Sales tax, shipping, and applicable tariffs will be calculated at checkout.

Qty:
Delivered as early as June 5, 2030

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
Screw drive version (drive type)Ball screw assembly
Nut or screwScrew drive nut
Nominal size20 x 5L x 3 - 4
SeriesStandard series
Dynamic load capacity C17200
Footnote dynamic load capacity CThe load capacities are valid for tolerance grade 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).
Maximum permissible linear speed vmax (m/min)30
Note: Maximum permissible speed vmaxSee "Characteristic speed d0 • n" (section Technical notes) and "Critical speed ncr" (section Calculation and examples)
Lead5
Nut typeFEM-E-C single nut with flange
Static load rating C021500
Footnote static load capacity C0The load capacities are valid for tolerance grade 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).
Operating temperature-10 °C ... +80 °C
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 D558
Size L with tolerance40 mm
Bearing temperature max+80
Bearing temperature min-15
Productgroup ID17
Maximum operating temperature+80
Bearing temperature-15 °C ... +80 °C
CategoryB
Minimum operating temperature-10
Size L410
Size D647
Size L312
Size L951
Size D76.6
Size L1028
Hole patternBB2
Size Sx5
Size D1 g636
Size d119
Size d216.9
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.
Weight0.393
Size L40

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) 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

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

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

g6

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 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 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 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 - 3 149 45 127
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 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 70 16 55
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

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

Front lube unit – ball screw assembly

Front lube unit – ball screw assembly

Catalog

Service

Arrestor nut

Arrestor nut

Catalog

Service

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

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