7217B Bearing Angular contact 7217B ball bearings 1.25 💡 What are miniature shielded

💡 What are miniature shielded ball bearings used for

Dimensions (inches) d H L A J N N1 H1 H2 L1 B S 1-5/8" 2-1/8" 7-15/32" 2-1/8" 5-3/4" 21/32" 13/16" 21/32" 4-3/16" 2-3/8" 1-15/16" 3/4"

the 6318ZNRC3/P0/00Q inner diameter is 90mm

the innerdiameter(bore) is 1/4" inch dimensions with steelretainer

FITS: MEGNUM 46-2 STROKE

7217B Bearing Angular contact 7217B ball bearings 1.25 💡 What are miniature shielded7217B Bearing Single row Angular contact ball bearings SKU: 7217BBearing Inner Ring Diameter (bore): 85mm Inner Ring Tolerance: 0~ 25m Outer Ring Diameter: 150mm Outer Ring Tolerance: 0~ 25m Width: 28mm Clearance: 2~20m Basic Dynamic Load Rating Cr: 95,6 kN Basic Static Load Rating Cor: 83 kN Grease Lubrication: 5000 Brand: VXB Equal The Barden Corporation 217H Equal Fafnir Bearing Division 217WI Equal Fafnir Bearing Division 2MM217WI Equal Fafnir