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Bosch Rexroth R151257013

BALL NUT FEM-E-S 50X20RX6,5-3

MPN: R151257013
Category: Ball screw assembly nuts

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What is the Bosch Rexroth R151257013?

Single nut with flange FEM-E-S with standard seal and standard axial clearance

Nominal diameter d0 = 50

Lead P = 20 (right)

Ball diameter Dw = 6.5

Number of ball track turns i = 3

Rexroth mounting dimensions

With seals

Rexroth connection dimensions

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

Specifications

Nominal size [mm]	50 x 20R x 6,5 - 3
Series	Standard series
Dynamic load capacity C [N]	57500.0
Note: 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<sub>ac</sub> (see General Technical Notes and Information "Technical Data", Technical Notes).
Maximum permissible linear speed vmax (m/min) [m/min]	60.0
Note: maximum permissible speed vmax	See "Characteristic speed d<sub>0 </sub>• n" (section Technical notes) and "Critical speed n<sub>cr</sub>" (section Calculation and examples)
Operating temperature (min. … max.)	-10 °C ... +80 °C
Storage temperature (min. … max.)	-15 °C ... +80 °C
Direction of lead	Right
Nut type	FEM-E-S single nut with flange
Note: permissible operating temperature (min. ... max.)	Permissible operating temperatures 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.
Hole pattern	BB4
Screw drive seal	With seal
Weight [kg]	3.96
Static load capacity C0 [N]	87900.0
Note: 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<sub>ac</sub> (see General Technical Notes and Information "Technical Data", Technical Notes).
Category	A
Maximum operating temperature [°C]	+80
Bearing temperature max [°C]	+80
Minimum operating temperature [°C]	-10
Bearing temperature min [°C]	-15
Dimension d1 [mm]	48
Dimension D1 g6 [mm]	85
Dimension d2 [mm]	43.4
Dimension D5 [mm]	125
Dimension D6 [mm]	105
Dimension D7 [mm]	11
Dimension L [mm]	92
Dimension L10 [mm]	70
Dimension L3 [mm]	22
Dimension L4 [mm]	25
Dimension Sx [mm]	5
Angle φ [°]	30

R151257013: frequently asked questions

When can R151257013 be shipped?

R151257013 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up R151257013 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for R151257013 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for R151257013, subject to availability and destination.