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Bosch Rexroth R151228055

BALL NUT SEM-E-C 25X25RX3,5-3

MPN: R151228055
Category: Ball screw assembly nuts

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What is the Bosch Rexroth R151228055?

Adjustable-preload single nut SEM-E-C with standard seal and standard axial clearance

Nominal diameter d0 = 25

Lead P = 25 (right)

Ball diameter Dw = 3.5

Number of ball track turns i = 3

Mounting dimensions similar to DIN 69051, Part 5 flange type C

With seals

Adjustable preload

Tolerance grade: T3 (for sizes as per the product overview for screws, see General Technical Notes and Information "Product description"), T5, T7

Specifications

Nominal size [mm]	25 x 25R x 3,5 - 3
Series	Standard series
Dynamic load capacity C [N]	17600.0
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]	150.0
Note: maximum permissible speed vmax	See "Characteristic speed d<sub>0 </sub>• n" (see General Technical Notes and Information, "Technical Data" (Technical Notes), and "Critical speed n<sub>cr</sub>" (see General Technical Notes and Information, "Project planning notes")
Operating temperature (min. … max.)	-10 °C ... +80 °C
Storage temperature (min. … max.)	-15 °C ... +80 °C
Direction of lead	Right
Nut type	SEM-E-C zero-clearance adjustable single nut
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	BB2
Screw drive seal	With seal
Weight [kg]	0.9
Static load capacity C0 [N]	23300.0
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	B
Maximum operating temperature [°C]	+80
Bearing temperature max [°C]	+80
Minimum operating temperature [°C]	-10
Bearing temperature min [°C]	-15
Dimension d1 [mm]	24
Dimension D1 f9 [mm]	40
Dimension D1 max [mm]	39.973
Dimension D1 min [mm]	39.945
Dimension d2 [mm]	21.4
Dimension D5 [mm]	62
Dimension D6 [mm]	51
Dimension D7 [mm]	6.6
Dimension L [mm]	95
Dimension L10 [mm]	35
Dimension L3 [mm]	25
Dimension L4 [mm]	30
Dimension L5 [mm]	35
Dimension L8 [mm]	14
Dimension L9 [mm]	55
Dimension Sx [mm]	4

R151228055: frequently asked questions

When can R151228055 be shipped?

R151228055 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 R151228055 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 R151228055 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 R151228055, subject to availability and destination.