Bearing unit - FNL 506 A (722506D) SKF

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The SKF FNL 506 A is a robust, non-split bearing housing designed to provide reliable support for bearings mounted on adapter sleeves. Constructed from high-quality cast iron, this housing ensures durability and longevity in demanding industrial environments.

Key Features:

• Design: Non-split, cast iron construction with a triangular flange.
• Mounting: Three bolt holes for secure attachment to the shaft end.
• Cover: Supplied with a cover for shaft end applications (suffix A).
• Compatibility: Designed for bearings mounted on adapter sleeves.
• Lubrication: Features an integrated grease guiding system for efficient lubrication.
• Sealing: Equipped with low-friction, double-lip seals to retain grease and exclude contaminants.

Technical Specifications:

• Housing Material: Cast iron.
• Flange Type: Triangular with three bolt holes.
• Shaft Diameter (da): 25 mm.
• Bearing Seat Diameter (Da): 62 mm.
• Width of Bearing Seat (A): 42 mm.
• Width of Flange (AA): 60.5 mm.
• Attachment Bolt Diameter (G): 10 mm.
• Pitch Diameter of Bolt Holes (J): 116 mm.
• Housing Cover Diameter (D): 86 mm.
• Housing Cover Height (H): 117 mm.
• Housing Cover Height (H1): 44 mm.
• Center Height of Bearing Seat (J): 116 mm.
• Distance Between Attachment Bolt Holes (L): 130 mm.
• Initial Grease Fill (20%): 15 g.
• Initial Grease Fill (40%): 25 g.
• Recommended Tightening Torque for Cover Bolts: 6 Nm.
• Recommended Tightening Torque for Attachment Bolts: 50 Nm.

Benefits:

• Durability: The cast iron construction offers excellent strength and resistance to wear.
• Ease of Maintenance: The integrated grease guiding system and low-friction seals reduce maintenance requirements.
• Versatility: Suitable for various industrial applications requiring reliable bearing support.

For detailed installation instructions and additional information, please refer to the SKF product documentation.