BOSCH REXROTH
R044251200
$170.16 USD
- BOSCH REXROTH
- Material:R044251200
- Model:MWA-015-SNS-C1-P-3
Quantity in stock: 0
The Bosch Rexroth MINI R.BLOCK NRII MWA-015-SNS-C1-P-3 (R044251200) is a high-precision miniature ball runner block designed for linear motion applications requiring compactness and corrosion resistance. This runner block features a slimline width, standard height, and normal length in the SNS format, with the body constructed from corrosion-inert steel. It is characterized by a low preload (Preload class C) and high precision (Accuracy class P), ensuring smooth and accurate movement. With an overall length of the runner block at 15 mm, this model is part of Bosch Rexroth's Miniature Ball Rail System, which boasts interchangeability between runner blocks and guide rails across various accuracy classes (P, H, and N). The design includes an integrated lube nipple for maintenance ease but does not come with attachment elements or a ball chain. Initial lubrication is provided; however, preservation is not included. The MINI R.BLOCK NRII operates smoothly thanks to its optimally designed ball return and guideway. It has a dynamic load capacity as per DIN standards and can handle maximum accelerations effectively. The permissible ambient temperature range for this model extends from -10°C to +100°C, making it suitable for various operating environments. This miniature ball runner block excels in applications where space is limited yet high reliability and precision are required. With its self-aligning capabilities, it compensates for misalignments without the need for self-alignment features. Furthermore, it has been designed with user convenience in mind – featuring ball retention that facilitates easy replacement during maintenance cycles. In summary, the Bosch Rexroth MINI R.BLOCK NRII MWA-015-SNS-C1-P-3 offers advanced linear motion capabilities in a highly durable and precise package suitable for demanding applications where space constraints are critical.
Miniature ball runner block, SNS, size 15, Resist NRII, accuracy precision, low preload
The miniature version of the ball runner block is characterized by the following product features:
Size 15
Format SNS: Width = slimline, length = normal, height = standard
Runner block body made of corrosion-inert steel
Preload class C1: Low preload
Accuracy class P: Precision
Without ball chain
With initial lubrication and without preservation
Roller bearing grease Dynalub 520
Without attachment element, left (front reference edge)
Without attachment element, right (front reference edge)
Lube nipple integrated
Runner block body in standard version
Overall length of the runner block = 46 mm
Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Unpacked Weight: 0.0723 kg
| Accuracy classes P, H and N |
| Relubrication hole available |
| Smooth, quiet running thanks to optimally designed ball return and guideway |
| Ball retention for easy replacement |
| Data Sheet | Download Data Sheet |
| 2D CAD | Download 2D CAD |
| 2D CAD | Download 2D CAD |
| 3D CAD | Download 3D CAD |
| 3D CAD | Download 3D CAD |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Material (profiled rail systems) | Corrosion resistant steel |
| Height of runner block | 12 |
| Footnote permissible ambient temperature (min ... max) | 100 °C admissible for short time. |
| Footnote dynamic load capacity C | Calculated values acc. to DIN 636, part 2 |
| Size E2 (profiled rail systems) | 20 |
| Max. acceleration amax | 250 |
| Permissible ambient temperature | -10 °C ... +80 °C |
| Size N5 (profiled rail systems) | 2.1 |
| Size A (profiled rail systems) | 32 |
| Size A3 (profiled rail systems) | 8.5 |
| Preload force | 84 |
| Format | SNS - slimline, normal, standard height |
| Size A2 (profiled rail systems) | 15 |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Static torsional moment load capacity Mt0 footnote | Calculated values (derived from C, C0) |
| Maximum permissible linear speed vmax | 3 |
| Lubrication | With initial lubrication and without preservation |
| Ball chain | Without ball chain (standard) |
| Size N3 (profiled rail systems) | 4 |
| Footnote static load capacity C0 | Calculated values acc. to DIN 636, part 2 |
| Pitch T guide rail | 40 |
| Size K (profiled rail systems) | 4 |
| Height of runner block with guide rail | 16 |
| Static load rating C0 | 6260 |
| Dynamic torsional moment load capacity Mt | 31.2 |
| Size B2 (profiled rail systems) | 46 |
| Size B (profiled rail systems) | 43 |
| Note: Maximum permissible speed vmax | Speeds of up to 5 m/s possible. Service life is limited by heightened wear to plastic parts. |
| Preload class | C1 - Low preload |
| Static longitudinal moment load capacity ML0 footnote | Calculated values (derived from C, C0) |
| Seal | N and longitudinal seal |
| Size B1 (profiled rail systems) | 27.2 |
| Size H (profiled rail system) | 16 |
| Size V1 | 4.7 |
| Productgroup ID | 17 |
| Accuracy class | P - Precise |
| Size B with tolerance (profiled rail systems) | 43 mm |
| Dynamic longitudinal moment load capacity ML footnote | Calculated values (derived from C, C0) |
| Permissible ambient temperature (max) | |
| Dynamic longitudinal moment load capacity ML | 18.3 |
| Size S2 (profiled rail systems) | M3 |
| Permissible ambient temperature (min) | |
| Static torsional moment load capacity Mt0 | 46.3 |
| Note: Max. acceleration amax | Only with pre-tensioned systems. For non-preloaded systems: amax = 50 m/s2 |
| Runner block or guide rail | Runner block |
| Width of runner block | 32 |
| Size T1 min (profiled rail systems) | 6 |
| Dynamic torsional moment load capacity Mt footnote | Calculated values (derived from C, C0) |
| Length of runner block | 43 |
| Linear guide type | Miniature ball rail system |
| Dynamic load capacity C | 4200 |
| Static longitudinal moment load capacity ML0 | 27 |
| Size E1 (profiled rail systems) | 25 |
| Internal product information | For low-friction seal (Mini) without longitudinal seal |
| Size H1 with longitudinal seal (profiled rail systems) | 12.65 |
| Weight | 0.0723 |
| Nominal size | 15 |
| Size H1 (profiled rail systems) | 12 |
Load capacities and load moments
|
Size |
7 | 9/M3 | 12 | 15 | 20 | ||
|
C 1) |
N |
|
860 | 1180 | 2310 | 4200 | 7900 |
|
C0 1) |
N |
1400 | 2100 | 3470 | 6260 | 12230 | |
|
Mt 2) |
Nm |
|
3.1 | 5.4 | 13.7 | 31.2 | 81.4 |
|
Mt0 2) |
Nm |
5.1 | 9.6 | 20.6 | 46.3 | 126 | |
|
ML 2) |
Nm |
|
1.9 | 3.6 | 7.9 | 18.3 | 51.7 |
|
ML0 2) |
Nm |
3.2 | 6.4 | 11.8 | 27 | 80 | |
| 1) | Calculated values as per DIN 636, Part 2 |
| 2) | Calculated values (derived from C, C0) |
General technical data
|
Size |
7 | 9/M3 | 12 | 15 | 20 | |
|
amax 1) |
m/s² |
250 | ||||
|
vmax 2) |
m/s |
3 | ||||
|
m |
g |
9 | 16 | 33 | 47 | 177 |
|
Operating conditions |
||||||
|
Size |
7 | 9/M3 | 12 | 15 | 20 | |
|
Permissible ambient temperature (min ... max) 3) |
-10 °C ... +80 °C | |||||
| 1) | Only with pre-tensioned systems. For non-pre-tensioned systems: amax = 50 m/s2 |
| 2) | Speeds of up to 5 m/s are possible. Service life is limited by increased wear to plastic parts. |
| 3) | Brief peaks up to 100°C are permissible. |
Note on dynamic load capacities and moments (see the table)
Determination of the dynamic load ratings and moments is based on a total travel of 100,000 m.
Often only 50,000 m are actually stipulated. For comparison: Multiply values C, Mt and ML from the table by 1.26.
Observe friction of the different seals. See document “Technical data”.
Technical data
Accuracy classes
Legend
|
Symbol |
Description |
Unit |
|
amax |
Maximum acceleration travel |
m/s2 |
|
C |
Dynamic load capacity |
N |
|
C0 |
Static load capacity |
N |
|
m |
Mass |
g |
|
ML |
Dynamic longitudinal moment load capacity |
Nm |
|
ML0 |
Static longitudinal moment load capacity |
Nm |
|
Mt |
Dynamic torsional moment load capacity |
Nm |
|
Mt0 |
Static torsional moment laod capacity |
Nm |
|
vmax |
Maximum permissible speed |
m/s |
Rigidity of the miniature ball rail systems at pretension
Mounted runner block with 4 screws, strength class 12.9
lift-off load
Down load
| 1) | 4 lubrication holes |
| 2) | Sizes 7 to 12 |
| 3) | Funnel-type lube nipple |
| 4) | Sizes 15 - 20 |
Dimensions
|
Size |
7 | 9/M3 | 12 | 15 | 20 | |
|
A |
mm |
17 | 20 | 27 | 32 | 46 |
|
A2 |
mm |
7 | 9 | 12 | 15 | 20 |
|
A3 |
mm |
5 | 5.5 | 7.5 | 8.5 | 13 |
|
B |
mm |
24 | 31 | 34.8 | 43 | 66 |
|
B1 |
mm |
14.9 | 20.7 | 21.6 | 27.2 | 45.1 |
|
B2 |
mm |
- | 46 | 69 | ||
|
E1 |
mm |
12 | 15 | 20 | 25 | 38 |
|
E2 |
mm |
8 | 10 | 15 | 20 | 38 |
|
H |
mm |
8 | 10 | 13 | 16 | 25 |
|
H1 Without longitudinal seal |
mm |
6.5 | 8 | 10 | 12 | 17.5 |
|
H1 With longitudinal seal |
mm |
- | 12.65 | 18.15 | ||
|
K |
mm |
- | 4 | |||
|
N3 |
mm |
2.5 | 3 | 3.5 | 4 | 6 |
|
N5 |
mm |
- | 2.1 | 3.1 | ||
|
S2 |
mm |
M2 | M3 | M4 | ||
|
V1 |
mm |
2 | 2.8 | 3.3 | 4.7 | 7 |
The runner blocks are delivered on a mounting aid.