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MR Size 45 Technical Specifications

High load capacity with excellent rigidity

Rail Types MR S 45

MR S 45-N MR S 45-ND MR S 45-NU MR S 45-C
MR S 45-N MR S 45-ND MR S 45-NU MR S 45-C
Standard
Top mounting		 Standard, through-hardened
Through-hardened		 Bottom tapped holes
Bottom mounting		 Center clamping
Center clamping

Rail Dimensional Drawing MR S 45

MR S 45 Rail Dimensional Drawing
MR S 45 Rail Dimensional Drawing

Rail Specifications MR S 45

Parameter MR S 45-N MR S 45-ND MR S 45-NU MR S 45-C
Rail Width B1 (mm) 45 45 45 45
Rail Height J1 (mm) 40 40 40 40
Max Single Length L3 (mm) 6000 1500 6000 6000
Fixing Hole Pitch L4 (mm) 52.5 52.5 52.5 52.5
First/Last Hole Position L5/L10 (mm) 25 25 25 25
Unit Weight (kg/m) 10.8 10.8 11.8 10.6

Model Description

  • N = Standard (top mounting)
  • ND = Standard, through-hardened
  • NU = Bottom tapped holes (bottom mounting)
  • C = Center clamping

Carriage Types MR W 45

MR W 45-A MR W 45-B MR W 45-C MR W 45-D MR W 45-F MR W 45-G
MR W 45-A MR W 45-B MR W 45-C MR W 45-D MR W 45-F MR W 45-G
Standard
Standard		 Standard long
Standard long		 High/flat
High/flat		 High/flat long
High/flat long		 Flat
Flat		 Flat long
Flat long

Carriage Dimensional Drawing MR W 45

MR W 45 Carriage Dimensional Drawing
MR W 45 Carriage Dimensional Drawing

Carriage Specifications MR W 45

Parameter MR W 45-A MR W 45-B MR W 45-C MR W 45-D MR W 45-F MR W 45-G
System Height A (mm) 60 60 70 70 60 60
Carriage Width B (mm) 120 120 86 86 86 86
Reference Surface Distance B2 (mm) 37.5 37.5 20.5 20.5 20.5 20.5
Front Center Lube Hole Position C1 (mm) 8 8 18 18 8 8
Side Lube Hole Position C3 (mm) 8 8 18 18 8 8
Side Lube Hole Position C4 (mm) 21.25 38.75 31.25 38.75 31.25 38.75
Top Lube Hole Position C7 (mm) 17 34.5 27 34.5 27 34.5
Carriage Height J (mm) 50 50 60 60 50 50
Carriage Length L (mm) 145 180 145 180 145 180
Cross Wiper Distance La (mm) 140 175 140 175 140 175
Outer Fixing Hole Pitch L1 (mm) 80 80 60 80 60 80
Inner Fixing Hole Pitch L2 (mm) 60 60 — — — —
Steel Body Length L6 (mm) 100 135 100 135 100 135
Side Fixing Hole Pitch N (mm) 100 100 60 60 60 60
Reference Surface Height O (mm) 10 10 10 10 10 10
Carriage Weight (kg) 3.2 4.3 3.0 4.0 2.3 3.1

Rigidity Curves and Load Rating Diagrams

MR W 45 Rigidity Curves and Load Rating Diagrams
MR W 45 Rigidity Diagram and Load Rating

Load Ratings

Carriage Type C₀ Static Load (N) C₁₀₀ Dynamic Load (N) M₀Q Static Cross Moment (Nm) M₀L Static Long. Moment (Nm) MQ Dynamic Cross Moment (Nm) ML Dynamic Long. Moment (Nm)
A / C / F 167,500 93,400 4,621 2,790 2,577 1,556
B / D / G 229,500 127,800 6,333 5,161 3,527 2,874

Load Rating Description

  • C₀ = Static load capacity
  • C₁₀₀ = Dynamic load capacity - 100km travel life
  • M₀Q / MQ = Cross moment
  • M₀L / ML = Longitudinal moment

Available Options

Accuracy Classes

Accuracy Class Carriage & Rail Tolerance A/B2 Matched Carriage Max Difference ΔA/ΔB2 Standard Carriage Max Difference
G0 Highly accurate ± 5 µm 3 µm 10 µm
G1 Very accurate ± 10 µm 5 µm 20 µm
G2 Accurate ± 20 µm 7 µm 40 µm
G3 Standard ± 30 µm 25 µm 60 µm

Preload Classes

Preload Class Preload Force (% of C₀) Application
V0 Very light preload 0-2% Very low friction, uniform load, minimum vibration
V1 Light preload 3% Low friction, uniform load, slight vibration
V2 Medium preload 8% High rigidity, moderate varying loads and vibration
V3 High preload 13% Maximum rigidity, impact loads, severe varying loads

Lubrication Connections

Lubrication Positions S10-S23
Lubrication Positions S10, S11, S12, S13, S20, S21, S22, S23
Lubrication Positions S32-S43
Lubrication Positions S32, S33, S42, S43
Code Position Description
S10 Left center Front plate left center position
S11 Top center Carriage top center
S12 Top left Carriage top left side
S13 Lower left side Carriage left side lower
S20 Right center Front plate right center position
S21 Rear center Rear plate center position
S22 Top right Carriage top right side
S23 Lower right side Carriage right side lower
S32 Upper left side Carriage left side upper
S42 Upper right side Carriage right side upper
S98 Special As per customer requirements
S99 Special As per customer requirements

Lubrication as Delivered

Code Type Description Application
LN Oil protect Light oil coating Applications with continuous oil supply after installation
LG Grease protect Thin grease layer Applications with continuous grease supply after installation
LV Full greasing Complete grease filling Applications with manual lubrication

Coating

Code Type Features
— Standard (no coating) Standard steel surface
CN Hard chromium Excellent corrosion resistance, high wear resistance, good emergency running properties

Reference Side

R1 - Reference at bottom R2 - Reference on top

Order Code Examples

Rail Order Code

MR S 45-N-G1-KC-R1-1200-25-25-CN

  • MR S 45 = MONORAIL Rail Size 45
  • N = Standard type
  • G1 = Very accurate
  • KC = Fixing holes with countersink
  • R1 = Reference at bottom
  • 1200 = Rail length 1200mm
  • 25-25 = First/last hole positions
  • CN = Hard chromium coating

Carriage Order Code

MR W 45-B-G1-V2-R1-CN-S11-LV

  • MR W 45 = MONORAIL Carriage Size 45
  • B = Long carriage type
  • G1 = Very accurate
  • V2 = Medium preload (8% C₀)
  • R1 = Reference at bottom
  • CN = Hard chromium coating
  • S11 = Lubrication hole position top center
  • LV = Full greasing as delivered
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