BALL RUNNER BLOCK CARBON STEEL KWC-020-SKN-C0-H-2
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Quick facts
| Availability | Confirmed on request |
| Category | High-precision ball runner block BSHP |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can R166489311 be shipped?
R166489311 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 R166489311 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 R166489311 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 R166489311, subject to availability and destination.
The ball runner block is highly precise and characterized by the following product features:<br>Size 20<br>Format SKN: Width = slimline, length = short, height = low<br>Runner block body made of unalloyed steel CS<br>Preload class C0: Preload-free<br>Accuracy class H: High<br>Without ball chain<br>Preserved<br>Without initial lubrication<br>Without attachment element, left (front reference edge)<br>Without attachment element, right (front reference edge)<br>45° angular lube nipples loosely attached.<br>Runner block body in standard version<br>Overall length of the runner block = 55.0 mm<br>Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy. Area of application: For restricted space in the upward, longitudinal and transverse direction Maximum precision Patented entry zone increases the travel accuracy up to a factor of six Significantly reduced frictional oscillations and low friction force level, particularly under external load Long-term lubrication is possible over several years Lube fittings with metal threads on all sides End-face fastening thread for all attachments Can be used on all SNS/SNO ball guide rails Integrated all-round sealing Preload classes: C0 (without preload, clearance) and C1 (moderate preload) Optional integrated, inductive and wear-free measuring system Optimized entry-zone geometry and high number of balls minimize variation in elastic deflection
Specifications
Specifications
| Version | Ball rail system |
| Nominal size [mm] | 20 |
| Format | SKN - slimline, short, low |
| Model | High-precision ball runner block |
| Material (profiled rail systems) | Carbon steel |
| Preload class | C0 - Without preload (clearance) |
| Accuracy class | H - Highly accurate |
| Seal | LS - Low-friction seal |
| Ball chain | Without ball chain (standard) |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Width of runner block [mm] | 42.0 |
| Length of runner block [mm] | 55.0 |
| Height of runner block [mm] | 23.0 |
| Height runner block with guide rail [mm] | 28.0 |
| Lubrication | Preserved |
| Maximum acceleration rate amax [m/s²] | 250.0 |
| Note: Max. acceleration amax | If F<sub>comb</sub>◡> 2.8 • F<sub>pr</sub> : a<sub>max</sub> = 50 m/s<sup>2</sup> |
| Maximum permissible linear speed vmax [m/s] | 3.0 |
| Note: seal | No preferred variants/combinations (partially longer delivery times) |
| Permissible ambient temperature (min. ... max.) | -10 °C ... +80 °C |
| Note: permissible ambient temperature (min. ... max.) | 100 °C admissible for short time. For operation at negative temperatures, please consult us. |
| Friction coefficient μ | 0.002 ... 0.003 |
| Note: friction coefficient μ | Without friction of seal |
| Weight [kg] | 0.2 |
| Dynamic load capacity C50 [N] | 12100.0 |
| Note: dynamic load capacity C50 | Dynamic load capacities and load moments are based on a travel of 50,000 m according to DIN ISO 14728-1. |
| Dynamic load capacity C100 [N] | 9600.0 |
| Note: dynamic load capacity C100 | Dynamic load capacities and load moments are based on a travel of 100,000 m according to DIN ISO 14728-1. |
| Static load capacity C0 [N] | 13600.0 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 150.0 |
| Note: Dynamic torsional moment load capacity Mt50 | Dynamic load capacities and load moments are based on a travel of 50,000 m according to DIN ISO 14728-1. |
| Dynamic torsional moment load capacity Mt100 [Nm] | 120.0 |
| Note: Dynamic torsional moment load capacity Mt100 | Dynamic load capacities and load moments are based on a travel of 100,000 m according to DIN ISO 14728-1. |
| Static torsional moment load capacity Mt0 [Nm] | 170 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 50.0 |
| Note: Dynamic longitudinal moment load capacity ML50 | Dynamic load capacities and load moments are based on a travel of 50,000 m according to DIN ISO 14728-1. |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 40.0 |
| Note: Dynamic longitudinal moment load capacity ML100 | Dynamic load capacities and load moments are based on a travel of 100,000 m according to DIN ISO 14728-1. |
| Static longitudinal moment load capacity ML0 [Nm] | 58 |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 42 |
| Dimension A1 (profiled rail systems) [mm] | 21 |
| Dimension A2 (profiled rail systems) [mm] | 20 |
| Dimension A3 (profiled rail systems) [mm] | 11 |
| Dimension B (profiled rail systems) [mm] | 55 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 31.9 |
| Dimension E1 [mm] | 32 |
| Dimension E8 (profiled rail systems) [mm] | 30.5 |
| Dimension E9 (profiled rail systems) [mm] | 5.6 |
| Dimension H [mm] | 28.0 |
| Dimension H1 (profiled rail systems) [mm] | 23 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 20.75 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 20.55 |
| Dimension K1 (profiled rail systems) [mm] | 20.1 |
| Dimension K3 (profiled rail systems) [mm] | 3.6 |
| Dimension N3 (profiled rail systems) [mm] | 6.3 |
| Dimension N6 (profiled rail systems) [mm] | 13.2 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M5 |
| Dimension S5 (profiled rail system) [mm] | 6 |
| Dimension S9 | M3x5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 5 |
| Dimension T1 min [mm] | 13 |
| Dimension V1 [mm] | 6 |
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