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Crossed roller bearings
with ground raceways
Type LEW

Product image Crossed roller bearings with ground raceways Type LEW

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Description

Franke bearing elements type LEW are suitable for medium rotational speeds and accuracies. They convince by smooth running even under tilt moment loads, high rigidity and compact installation space. The crosswise arranged rollers can support high loads from all directions. Bearing elements of model LEW are insensitive to shock and vibration. They offer the greatest possible flexibility in terms of preload, running characteristics and diameter ranges.

Properties - Evaluation

Smooth running
Accuracy
Speed
Stiffness
Assembly
Price

Technical data

Material

Ball race rings: hardened and tempered chrome-silicon steel
Rolling element: hardened rolling bearing steel
Cage: polyamide or thermoplastic polyurethane

Operating temperature

-30 °C to +80 °C, short-term up to +100 °C

Peripheral speed

Max. 2 m/s

Lubricant

Shell Gadus S3 V220 C2

Technical advice


Design examples


Data tables

Compare data and calculate load cases
Technical Drawing LEW 7
LEW 7 λ 7 M x N 16,6 x 16,6 mm MyFranke
Name KKØ
mm
Load ratings
kN
Weight
kg
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Calculate loads
C0a C0r Ca Cr
LEW7-0400 400 350 140 90 47 1,9

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LEW7-0500 500 440 176 99 52 2,3
LEW7-0600 600 530 212 113 59 2,8
LEW7-0700 700 624 250 128 67 3,2
LEW7-0800 800 714 286 144 75 3,7
LEW7-0900 900 804 322 163 85 4,1
LEW7-1000 1000 894 358 184 96 4,6
LEW7-1100 1100 984 394 207 108 5,1
LEW7-1200 1200 1074 430 234 122 5,5
Rotational resistance
Diagram Rotational resistance LEW 7
Radial-/Axial runout accuracy
Diagram Radial-/Axial runout accuracy LEW 7
Mounting space M X N
Bearing diameter KK∅
Wire diameter λ Stat. load rate C0 ax. Stat. load rate C0 rad. Dyn. load rate C ax. Dyn. load rate C rad. Static moment C0m Weight
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Technical Drawing  
Diagrams  
Data sheet (pdf)

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