Двухрядный высокоточный упорно-радиальный шарикоподшипник для опор шариковых винтов NSK BSBD Series BSF2068DDUHP2B

Описание

Boundary Dimensions d 20 mm Bore diameter D 68 mm Outside diameter B 28 mm Width r(min.) 0.6 mm Chamfer Dimension r1(min.) 0.6 mm Chamfer Dimension Basic Load Ratings C a 31.5 kN Basic Dynamic Load Rating C 0a 41.0 kN Basic Static Load Rating Speeds Grease 5800 min -1 Limiting Speed Dimensions 60° Contact Angle d1 32.6 mm Shoulder Diameter D1 43 mm Shoulder/Recess Diameter Performance 29.3 kN Limiting Static Axial Load Additional information T 7600 N Recommended Clamping Force 0.13 N・m Starting Torque A 650 N/μm Axial Rigidity H 1885 N Preload b 3 mm Extraction groove position l 19 mm Extraction groove position d2 6.8 mm Through Hole for Attachment Bolts J 53 mm Pitch Diameter of Holes for Bolts t 4 x 90° mm Number of bolts × Pitch Mounting Bolts Ⅱ Bolt Type M6 Mounting Bolts Diameter 4 Number of Mounting Bolts Mass 0.61 kg Mass(approx.)