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BOSCH REXROTH
R181052500
All Other Products

Other Acc&CP&PP: Front Lube Unit

$68.76

BOSCH REXROTH

MATERIAL:  R181052500

SUMMARY:  Other Acc&CP&PP: Front Lube Unit

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Lubricant distribution

Due to the special lubricant distribution construction, lubrication occurs primarily where it is needed: directly on the running tracks and the top surfaces of the roller guide rails.

 

technical illustration-R181052500-Other Acc&CP&PP: Front Lube Unit

1 Top surfaces of the roller guide rails

2 Running tracks of the roller rail system

3 Oil tank

4 Front seals

General technical data

Size

Oil

maximum operating temperature

Mass

cm³

°C

g

25 1) 2.6 + 60 24
35 8.3 46
45 13.8 88
55 22.8 122
65 47.6 225
1) For RSHP Roller Runner Blocks in preparation
technical illustration-R181052500-Other Acc&CP&PP: Front Lube Unit
a) Size 65

Dimensions

Size

25 1) 35 45 55 65

A4

mm

44 64 78 91.5 119

B5

mm

13 16.5 18.5 20.3 21

B6

mm

15.5 19 21.8 24.3

E8

mm

33.4 50.3 62.9 74.2 35

E8.2

mm

- 106

E9 2)

mm

8.4 13.1 16.7 18.85 9.3

E9 3)

mm

12.4 20.1 26.75 28.95 -

E9.2

mm

- 55

H 2)

mm

36 48 60 70 90

H 3)

mm

40 55 70 80 -

H3

mm

29.2 40 50 56.3 74.8

H4 2)

mm

0.5 0.75

H4 3)

mm

4.5 7.75 10.75 -

N8 2)

mm

5 6.25 7.25 8.25 8.55

N8 3)

mm

9 13.25 17.25 18.25 -

N9

mm

- 5.5 7.5 9 8.5

S8

M6

S9

- M6
1) For RSHP Roller Runner Blocks in preparation
2) Dimension with regard to mounting surface of roller runner block for a standard higher version
3) Dimension with regard to mounting surface of roller runner block for a higher version

Prior to assembling the front lube units, an initial lubrication of the roller runner blocks with grease lubricant is required! See Roller Rail Systems - General technical notes and information, chapter "Maintenance".

 

Assembly of front lube units

technical illustration-R181052500-Other Acc&CP&PP: Front Lube Unit

The coated screws required for attachment additional end seals are supplied along with the unit.

In each case, mount a front lube unit (1) on both sides of the roller runner block! Do not remove the roller runner block from the rail! Slide on the front lube units (1) and end seals (2) and align them on the roller runner block. Tighten screws (3) with tightening torque MA (see table).

 

Maximum tightening torque MA

Size

Pos. 3

technical illustration-R181052500-Other Acc&CP&PP: Front Lube Unit

Tightening torque MA in Nm

25

M3 x 18

0,7

35

M3 x 22

0,7

45

M4 x 25

1,0

55

M5 x 30

1,3

65

M4 x 30

1,0

Notes

The coated screws required for attachment on the roller runner block, additional end seals and lube nipples are supplied along with the unit. The front lube units are already filled with oil (Mobil SHC 639) and can be mounted immediately after basic lubrication of the roller runner blocks.

Lubrication intervals for roller runner blocks with front lube units

Check the front lube units once the travel distance as specified in Figure (see below) is attained.

Upon reaching the travel distance - or after no more than 2 years - we recommend replacing the front lube units and re-lubricating the roller runner block prior to assembly of the new front lube unit. In clean operating conditions, the roller runner blocks (sizes 35 to 65 on the side and size 25 at the front) can be re-lubricated with grease (Dynalub 510) (see table "Re-lubrication in cm3").

 

Attention:

If other lubricants are used, this may lead to a reduction in the lubrication intervals, the achievable travel in short-stroke applications, and the load capacities. Possible chemical interactions between the plastic materials, lubricants and preservative oils must also be taken into account. The recommended lubrication intervals depend on environmental factors, load and load type. Examples of environmental factors include swarf, mineral abrasion (or similar), solvent and temperature. Examples of load and load type are oscillations, shocks and tilting. The operating conditions are not known to the manufacturer. Only the user's own attempts or accurate monitoring can yield safety over the lubrication intervals. No water-based coolant/lubricant on the roller guide rails and roller runner block!

 

re-lubrication in cm3

Size

re-lubrication in cm3

25

0,8

35

0,9

45

1,0

55

1,4

65

2,7

Load-dependent lubrication intervals for roller runner block with front lube units, size 25 to 65

This applies to the following conditions:

Roller runner block lubricants: Dynalub 510 (grease NLGI 2) or alternatively Castrol Longtime PD 2 (grease NLGI 2) Front lube units lubricant: Mobil SHC 639 (synthetic oil) Maximum speed: vmax = 2 m/s No media pressurization Standard seals Ambient temperature: T = 10 – 40°C 

 

Note

The load ratio F/C is the quotient of the equivalent dynamic load on bearing F (making allowance for the preload for C2 or C3) divided by the dynamic load capacity C (see “Roller Rail Systems – General technical notes and information,” section “Technical data,” general technical data and calculations).

technical illustration-R181052500-Other Acc&CP&PP: Front Lube Unit

Legend

Symbol

Description

Unit

s

Lubrication interval as travel distance

km

C

Dynamic load capacity

N

F

Dynamic equivalent load

N