Plain bearing cylindrical steel 23730-02402725
- Conviennent pour les mouvements rotatifs et pendulaires
- Sans entretien
- Usure et coefficient de frottement très faibles
- Absence d'effet stick-slip
- Haute résistance chimique
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Designation
Plain bearing
Version 1
cylindrical
Main
material
steel
Component
material
PTFE
D
24
D1
27
L
25
~ CONFLICT MINERALS 3TG status
3TG contained
~ CONFLICT MINERALS procurement
DRC conflict-free
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
no
~ PFAS substance/s
PTFE
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes
Description
Matière
Tôle de support en acier.
Couche intermédiaire en bronze fritté.
Surface de glissement en PTFE.
Couche intermédiaire en bronze fritté.
Surface de glissement en PTFE.
Finition
Acier étamé.
Nota
Paliers lisses composites sans entretien en acier, particulièrement adaptés au fonctionnement à sec. Conviennent également parfaitement aux applications lubrifiées (à l'huile). Très faible usure et coefficient de frottement, pas d'effet Stick-Slip. Convient pour les mouvements rotatifs et pendulaires, haute résistance chimique, faible absorption d'eau.
Données techniques
Static load: max. 250 N/mm²
Dynamic load: max. 140 N/mm²
Friction coefficient, dry: 0.03 to 0.20
Sliding speed, dry: max. 2 m/s
Sliding speed, oil lubricated: max. 5 m/s
Thermal conductivity: 42 W(m*K)-1
Thermal expansion coefficient: 11*10-6 K-1
Temperature range: -195°C to +280°C
Dynamic load: max. 140 N/mm²
Friction coefficient, dry: 0.03 to 0.20
Sliding speed, dry: max. 2 m/s
Sliding speed, oil lubricated: max. 5 m/s
Thermal conductivity: 42 W(m*K)-1
Thermal expansion coefficient: 11*10-6 K-1
Temperature range: -195°C to +280°C
Assembly
The use of a suitable press mandrel is recommended to avoid damaging the bearing surface. The butt joint must be opposite the load zone. The bearing has an interference fit after installation. Gluing is possible but not required.
Tolerances
Housing:
Recommended tolerance H7.
Surface finish Ra 0.8 to 1.6.
Chamfer (press-in side 0.8 to 1.2 x 15°).
Shaft:
Recommended tolerance h8 to f7. For applications at a low speed and small loads drawn shafts with h9 can also be used.
Shaft surface Ra 0.4 to 0.8 (preferably ground shafts) for drawn shafts Ra 1.6 to 3.2.
Recommended tolerance H7.
Surface finish Ra 0.8 to 1.6.
Chamfer (press-in side 0.8 to 1.2 x 15°).
Shaft:
Recommended tolerance h8 to f7. For applications at a low speed and small loads drawn shafts with h9 can also be used.
Shaft surface Ra 0.4 to 0.8 (preferably ground shafts) for drawn shafts Ra 1.6 to 3.2.
Drawing reference
1) Butt joint
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