BOSCH REXROTH
R108181240
$94.24 USD
- BOSCH REXROTH
- Material:R108181240
- Model:LSGF-B-12-DD
Quantity in stock: 0
The Bosch Rexroth LINEAR-SET LSGF-B-12-DD (R108181240) is a high-quality linear set designed for precise linear motion applications. This product features a standard precision flanged housing made from lamellar graphite cast iron and includes a super linear bushing B without a self-alignment feature. The set is equipped with two retaining rings and additional spacer rings crafted from steel, suitable for shaft diameters up to size V. It also incorporates integrated wiper seals on both sides, which are responsible for the noted friction force. The LINEAR-SET LSGF-B-12-DD has been engineered with a radial clearance that is not adjustable and does not come with initial lubrication, emphasizing its low-maintenance design. The dynamic load capacity C (size L) and static load rating C0 (size L) ensure the set can handle substantial loads while maintaining smooth operation. With an outer diameter of size E, this linear guide type offers robust support for the shaft while enabling precise positioning. This unit can operate within an ambient temperature range of -30°C to +80°C and can withstand maximum acceleration amax values specified by the manufacturer. Additionally, it allows for a maximum permissible linear speed vmax, making it suitable for applications requiring high-speed motion. Service life tests have demonstrated reliable performance over significant travel distances ranging from 100 km to 200 km without failure. Weighing in at 0.45 kg, the LINEAR-SET LSGF-B-12-DD is optimized for vertical shaft designs as part of Bosch Rexroth's modular Linear Set series. Its breakaway force and frictional characteristics are carefully balanced to ensure efficient operation under various conditions without radial load. This product is ideal for users seeking precise linear motion solutions that prioritize durability and performance in their mechanical design projects.
Linear set (steel), F-B-12, with two seals
Linear set (steel)
Flange
With super LB B
Shaft diameter d = 12
With two seals
Version: Standard
Unpacked Weight: 0.101 kg
This modular unit complements the Linear Set series and is used for designs with a vertical shaft.
| Precision flanged housing (lamellar graphite cast iron) |
| super linear bushing B without self-alignment feature |
| Two retaining rings with two additional spacer rings (steel) for shaft diameters 12 to 40 |
| Integrated wiper seals |
| Radial clearance not adjustable |
| No initial lubrication |
| 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 |
| Friction force | 0.8 |
| Size V | 6 |
| Series | Super B (no self-alignment feature) |
| Footnote friction force FR | Frictional drags generated by linear bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. |
| Productgroup ID | 17 |
| Size W | 10 |
| Permissible ambient temperature (max) | |
| Max. acceleration amax | 150 |
| Permissible ambient temperature | -10 °C ... +80 °C |
| Size E | 30 |
| Size D1 with tolerance | 24 mm +0,8 |
| Outer diameter D | 22 |
| Breakaway force | 1.5 |
| Permissible ambient temperature (min) | |
| Maximum permissible linear speed vmax | 3 |
| Size D | 22 |
| Size D1 | 24 |
| Size L1 | 12 |
| Size D1 tolerance | |
| Static load rating C0 | 420 |
| Size S H13 | 5.5 |
| Shaft diameter d | 12 |
| Linear guide type | Linear bushing and shaft |
| Filter for linear bushings and shafts | Linear sets with linear bushings |
| Format of linear bushings | F – Flange |
| Dynamic load capacity C | 830 |
| Size L | 32 |
| Size D2 | 28 |
| Note: Maximum permissible speed vmax | Speeds of up to 5 m/s possible. Service life is limited by heightened wear to plastic parts. Tests have shown total travel from 50 • 105 m to 100 • 105 m without failure. |
| Size B | 42 |
| Weight | 0.101 |
General technical data
|
Ø d |
mm |
12 | 16 | 20 | 25 | 30 | 40 | 50 |
|
amax |
m/s² |
150 | ||||||
|
vmax 1) |
m/s |
3 | ||||||
|
m |
kg |
0.095 | 0.16 | 0.3 | 0.57 | 1.85 | 1.65 | 3.4 |
|
FR 2) |
N |
0.8 | 1 | 1.5 | 2 | 2.5 | 3 | 4 |
|
Breakaway force |
N |
1.5 | 2 | 3 | 4.5 | 6 | 8 | 10 |
|
Shaft radial clearance h6 |
µm |
+ 38 + 10 |
+ 43 + 11 |
+ 50 + 12 |
||||
|
Operating conditions |
||||||||
|
Permissible ambient temperature (min ... max) |
-10 °C ... +80 °C | |||||||
| 1) | Speeds of up to 5 m/s possible. Service life is limited by heightened wear to plastic parts. Tests have shown total travel from 50 • 105 m to 100 • 105 m without failure. |
| 2) | Frictional drags generated by Linear Bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. |
Load capacities and load moments
|
Ød |
mm |
12 | 16 | 20 | 25 | 30 | 40 | 50 |
|
C |
N |
830 | 1020 | 2020 | 3950 | 4800 | 8240 | 12060 |
|
C0 |
N |
420 | 530 | 1050 | 2180 | 2790 | 4350 | 6470 |
| The load ratings are based on a total travel of 100, 00 m. When based on 50 000 m, the values in the table need to be multiplied by 1.26. |
Legend
|
Symbol |
Description |
Unit |
|
Ød |
Shaft diameters |
mm |
|
amax |
Maximum acceleration travel |
m/s2 |
|
C |
Dynamic load capacity |
N |
|
C0 |
Static load capacity |
N |
|
FR |
Friction force |
N |
|
m |
Mass |
kg |
|
vmax |
Maximum permissible speed |
m/s |
Impact of load direction on load rating of closed Linear Bushings
The listed load ratings should be chosen depending on installation in minimum or maximum position and should be based on the calculations. If the load direction is clearly defined and the Linear Bushings can be installed in maximum position, the load ratings Cmax. (dynamic load rating) and C0 max (static load rating) can be used. If aligned installation is not possible or the load direction is not defined, the minimum load ratings must be used.
Reduced load capacity with short stroke
In case of short stroke, the service life of the shaft is less than that of the super Linear Bushing. The load ratings C specified in the tables must therefore be multiplied by the factor f.s .
| 1) | fs = factor |
| 2) | s = movement path |
Definition of dynamic load ratings
Dimensions
|
Ød |
mm |
12 | 16 | 20 | 25 | 30 | 40 | 50 | |
|
D |
mm |
22 | 26 | 32 | 40 | 47 | 62 | 75 | |
|
B 1) |
mm |
42 | 50 | 60 | 74 | 84 | 108 | 130 | |
|
D1 |
24 mm +0.8 | 28.5 mm +0.8 | 35 mm +0.8 | 43 mm +0.8 | 49.5 mm +0.8 | 66.5 mm +0.8 | 81 mm +0.8 | ||
|
D2 1) |
mm |
28 | 34 | 42 | 54 | 62 | 80 | 98 | |
|
E |
30 mm ±0.12 | 35 mm ±0.12 | 42 mm ±0.15 | 54 mm ±0.15 | 60 mm ±0.25 | 78 mm ±0.25 | 98 mm ±0.25 | ||
|
L |
mm |
32 | 36 | 45 | 58 | 68 | 80 | 100 | |
|
L1 |
mm |
12 | 15 | 18 | 23 | 26 | 36 | 72 | |
|
L1 |
12 mm | 15 mm | 18 mm | 23 mm | 26 mm | 36 mm | 72 mm | ||
|
S |
H13 |
mm |
5.5 | 6.6 | 9 | 11 | |||
|
V 1) |
mm |
6 | 8 | 10 | 12 | 14 | 16 | 18 | |
|
W |
mm |
10 | 10.5 | 13.5 | 17.5 | 21 | 22 | 14 | |
| 1) | Tolerance ISO 8062-3 - DCTG 9. |
Radial clearance
The radial clearance values shown in the table have been determined from statistics and correspond to values expected in practice. The adjustable Linear Sets come clamped to an h5 shaft (lower limit) and set to zero clearance.
Vertical dimension
The tolerance values for the vertical dimension "H" for the Linear Sets shown in the table have been determined from statistics and correspond to values expected in practice.
Bolts
We recommend bolts in accordance with ISO 4762-8.8 for fastening the Linear Sets.
Lubrication
On-shaft relubrication on relubricatable Linear Bushing only until lubricant seeps out.
General mounting instructions
Wiper seals for closed-type Super Linear Bushings and Standard Linear Bushings
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