Specifications
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
Size | Preload class | Seal | Lubrication | Accuracy class | Weight |
---|---|---|---|---|---|
20 | C0 | SS | Not pre-lubricated, no preservative oil | N | 350g |
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.
V1 | 6 | mm | |
A1 | 22 | mm | |
A3 | 12 | mm | |
B1 | 49.60 | mm | |
E2 | 36 | mm | |
E9 | 7.30 | mm | |
H1 | 25.35 | mm | |
Dimension H2 without cover strip | 20.55 | mm | |
K2 | 13.80 | mm | |
K4 | 3.35 | mm | |
N6 | 13.2 mm ±0.5 | ||
ØS5 | 6 | mm | |
T | 60 | mm |
A | 44 | mm | |
A2 | 20 | mm | |
B | 75 mm +0.5 | ||
E1 | 32 | mm | |
E8 | 32.50 | mm | |
H | 30 | mm | |
Dimension H2 with cover strip | 20.75 | mm | |
K1 | 13.80 | mm | |
K3 | 3.35 | mm | |
N3 | 7.50 | mm | |
S2 | M5 | ||
S9 | M3x5 |
amax (If Fcomb > 2.8 • Fpr : amax = 50 m/s2) | 500 | m/s² | |
m | 0.35 | 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. ) | -10 °C ... +80 °C |
vmax | 5 | m/s | |
m (Without friction of seal) | 0,002 ... 0,003 | ||
Size | 20 |
Stock | 50+ pcs. |
---|---|
Part number | R201189404 |
Manufacturer | Rexroth |
Quantity | Unit Price |
---|---|
1 - 4 | $321.54 |
5 - 9 | $315.11 |
10 - 14 | $308.68 |
15+ | $302.24 |