Stainless Steel Ball Bearing Set With 1/4 Inch Inner Diameter, 1/2 Inch Outer Diameter, And 3/16 Inch Width Double Shielded R188ZZ Precision Bearings For Smooth Quiet Operation In Hobby Projects Small Machinery And DIY Applications 5 Pack

Stainless Steel Bearing Set: 1/4 ID x 1/2 OD, 5-Pack
✔️ ID 1/4" (6.35mm) × OD 1/2" (12.7mm) × W 3/16" (4.76mm), 5-pack

These SR188ZZ stainless steel ball bearings are designed for hobby machines, small gear and DIY projects, delivering dependable rotation with quiet operation. The double shields keep lubricant in and dust out, while stainless steel races resist corrosion for durable, long-lasting use. ABEC 1 tolerance (P0) and Z1 noise grade ensure smooth performance in general-purpose setups.

Dimension

I.D. 1/4" (6.35mm) · O.D. 1/2" (12.7mm) · Width 3/16" (4.76mm)

Dimensions: I.D. 1/4" (6.35mm), O.D. 1/2" (12.7mm), Width 3/16" (4.76mm), 5 bearings per pack.

✅ I.D. 1/4" (6.35mm) inner diameter, O.D. 1/2" (12.7mm), width 3/16" (4.76mm)
✅ Double shielded on both sides to retain lubricant and block dust
✅ Stainless steel races for durability and corrosion resistance
✅ ABEC 1 (P0) tolerance and Z1 noise level for general use
✅ Pack size: 5 bearings

💡 What is a sealed ball bearing used for in hobby machinery and DIY projects?

In short, sealed bearings help smooth, quiet motion while keeping dust and moisture out of small machines.

- sealed ball bearing uses for hobby machines and small DIY projects - benefits of double shielding for lubrication retention and dust protection - stainless steel races offer corrosion resistance in wet environments - ABEC 1 tolerance and Z1 noise influence performance in hobby setups