Двухрядный высокоточный упорно-радиальный шарикоподшипник для опор шариковых винтов NSK BSBD Series BSF1255DDUHP2B

Описание

Boundary Dimensions d 12 mm Bore diameter D 55 mm Outside diameter B 25 mm Width r(min.) 0.6 mm Chamfer Dimension r1(min.) 0.3 mm Chamfer Dimension Basic Load Ratings C a 22.2 kN Basic Dynamic Load Rating C 0a 24.0 kN Basic Static Load Rating Speeds Grease 8000 min -1 Limiting Speed Dimensions 60° Contact Angle d1 23.7 mm Shoulder Diameter D1 32.7 mm Shoulder/Recess Diameter Performance 17.6 kN Limiting Static Axial Load Additional information T 4030 N Recommended Clamping Force 0.038 N・m Starting Torque A 375 N/μm Axial Rigidity H 720 N Preload b 3 mm Extraction groove position l 17 mm Extraction groove position d2 6.8 mm Through Hole for Attachment Bolts J 42 mm Pitch Diameter of Holes for Bolts t 3 x 120° mm Number of bolts × Pitch Mounting Bolts Ⅱ Bolt Type M6 Mounting Bolts Diameter 3 Number of Mounting Bolts Mass 0.37 kg Mass(approx.)