Model MR63zz Bearing, Size 3x6x2.5mm, Grade ABEC-5 Quality, 1 Pack with 10 Pcs, Weight About 0.26g. MR63-ZZ Bearings With Double Shielded, The Interior Is Pre-Filled With Motor Grease, Temperature -20 to 120 ℃. MR63 bearing is a standard C0 ( ISO Means CN) clearance, Range of 2-13um, And Will be Some Side Play Swing. MR63-2z Bearing Is ASI 52100 Chrome steel, It's NOT Stainless. It Runs Smoothly, But Can't be Used In fidget Spinner. MR 63 Bearings Apply To Some Fishing Reel, Railway Wheel, 3D Printed, MINI-T Steering Rack And Replace Bushings.

Item: MR63ZZ 

Type: Deep groove ball bearing

Material: 52100 Chrome Steel

Closures: 2 Shield 

Dimensions: 3mm x 6mm x 2.5mm

ID (inner diameter)/Bore: 3 mm

OD (outer diameter): 6 mm

Width/Height/thickness: 2.5 mm

Grade: ABEC-5

Quantity: 1 Lot = 10 PCS