Bosch Rexroth R181044021

BRAKING ELEMENT KBH 4505 BS1A

MPN: R181044021
Category: Accessories for roller rail systems

Price and lead time confirmed within 1 business day

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2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Bosch Rexroth R181044021?

Hydraulic braking unit KBH (hydraulic clamping and braking units) *) , FLS for roller rail systems

Size = 45

Can be used on all SNS roller guide rails

*) Zimmer GmbH

Very high axial holding forces

Dynamic and static stabilization in the axial direction

Heavy-duty brake

Compact design, compatible with DIN 645

Clamps and brakes with pressure

Can be used on all SNS roller guide rails

Up to 1 million clamping cycles

Up to 2,000 emergency braking operations

Threaded on both sides for the hydraulic connection

Solid, rigid steel housing, chemically nickel-plated

High positioning accuracy

Release pressure 150 bar

Integrated all-round sealing

Special pressure diaphragm technology for maximum functional reliability without pressure losses or leakage

Brake shoes with integrated positive-locking, large-surface contact profiles for maximum axial rigidity

Super heavy-duty model

Low displacement

10 million clamping cycles (B10d value)

Specifications

Accessories for	Runner block
Nominal size [mm]	45
Holding force [N]	9900
Permissible ambient temperature (min. ... max.)	0 °C ... +70 °C
Weight [kg]	5.48
Footnote 1 holding force	The inspection is done in a mounted state with a lubricated layer (ISO-VG 68).
Note: holding force 2	At 150 bar
Displacement footnote	Per clamping
Displacement [cm³]	1.8
Dimension A (profiled rail systems) [mm]	120
Dimension B1 [mm]	155
Dimension B3 [mm]	174
Dimension E1 [mm]	100
Dimension E2 (profiled rail systems) [mm]	80
Dimension E3 (profiled rail systems) [mm]	60
Dimension F [mm]	15
Dimension H [mm]	60.0
Dimension H1 (profiled rail systems) [mm]	51
Dimension N1 (profiled rail systems) [mm]	15
Dimension N2 (profiled rail systems) [mm]	13.5
Dimension S1 (profiled rail systems) [mm]	10.5
Dimension S2 thread diameter (profiled rail systems) [mm]	M12

R181044021: frequently asked questions

When can R181044021 be shipped?

R181044021 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 R181044021 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 R181044021 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 R181044021, subject to availability and destination.