SQUARE FLANGED BALL BEARING UNIT 20MM SKF

Dimensions:

• bore diameter (d) 20 mm
• outer diameter, inner ring (d1) 28.2 mm
• overall width (A) 25.5 mm
• flange width (A1) 11 mm
• standout of end cover (A5) 20.5 mm
• width of inner ring (B) 31 mm
• distance from locking device side face to thread centre (B4) 4.5 mm
• top external diameter (Db1) 60 mm
• distance between attachment bolts (J) 64 mm
• overall length (L) 86 mm
• diameter of attachment bolt hole (N) 12 mm
• distance from locking device side face to raceway centre (s1) 18.3 mm
• overall unit width (T) 33.3 mm
• diameter of head sphere of grease fitting (DN) 6.6 mm
• hexagonal key size for the grease fitting (SWN) 7.94 mm
• thread of the grease fitting (GN) 1/4- 28 UNF
• housing thread for the grease fitting (RG) 1/4-28 UNF
• axial position of the housing thread (R1) 17 mm

Calculation data:

• basic dynamic load rating (C) 12.7 kN
• basic static load rating (C0) 6.55 kN
• fatigue load limit (Pu) 0,28 kN
• limiting speed 6500 r/min