Rexroth R20128220W ball runner block resist nrii

KWD-020-SLS-C2-P-0

$421 Limited stock only available on quotation

Specifications

  • Area of application: For restricted space in transverse direction
  • All metal parts are made from corrosion-resistant steel
  • Maximum precision
  • Significantly reduced frictional oscillations and low friction level, particularly under external load
  • Patented entry zone increases the travel accuracy up to a factor of six

Ball Runner Blocks Resist NR II made of corrosion-resistant steel are used particularly in applications involving waterbased media. They are also suitable for environments with a relative humidity of over 70% and temperatures above 30 °C

Series (R2012) Slimline, long, standard height R2012
Size (8) 20 size
Preload class (2) C2 Average preload
Accuracy class (2) P Precision Accuracy Level
Seals (0W) DS Double-lip seal with ball chain

a) For O-ring
Size 15: Ø 4 · 1.0 (mm)
Sizes 20 – 35: Ø 5 · 1.0 (mm)
Open lube port if necessary (see general technical notes and information in the "Maintenance" section).
b) Lube nipple, sizes 15 – 20:
Funnel-type lube nipple DIN 3405-A M3x5, B2 = 1.6 mm
When using different lube nipples, pay attention to the screw-in depth of 5 mm!
Lube nipple, sizes 25 – 35:
Hydraulic-type lube nipple DIN 71412-A M6x8, B2 = 9.5 mm
When using different lube nipples, pay attention to the screw-in depth of 8 mm!
The lube nipple is included in the scope of delivery (not installed).
Connection is possible on all sides.

S2 M5
S9 M3x5
V1 6 mm
A1 22 mm
A3 12 mm
B1 65.60 mm
E2 50 mm
E9 7.30 mm
H1 25.35 mm
Dimension H2 without cover strip 20.55 mm
K2 14.80 mm
K4 3.35 mm
N6 13.2 mm ±0.5
ØS5 6 mm
T 60 mm
A 44 mm
A2 20 mm
B 91 mm +0.5
E1 32 mm
E8 32.50 mm
H 30 mm
Dimension H2 with cover strip 20.75 mm
K1 14.80 mm
K3 3.35 mm
N3 7.50 mm
amax (If Fcomb > 2.8 • Fpr : amax = 50 m/s2) 500 m/s²
m 0.45 kg
Operating conditions Operating conditions
Permissible ambient temperature (min ... max) (Up to 100 °C permissible for short periods. For operation at negative temperatures, please consult us. ) ​0 °C ... +80 °C
vmax 5 m/s
m (Without friction of seal) 0,002 ... 0,003
Size 20
$421
Stock Ask for quotation
Part number R20128220W
Manufacturer Rexroth
Quantity Unit Price
1+ $421

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