10-Pack Stainless Steel Bearings 4x8x3mm ABEC-3 4mm x 8mm x 3mm

Stainless Steel Ball Bearings ABEC-3 Rated
✔️ 4x8x3mm Double Shielded - Lot of 10

This 10-pack of 4x8x3mm stainless steel ball bearings is built to ABEC-3 standards for reliable precision in RC models, yo-yos, and small electric motors. Each bearing features double metal shields (ZZ) to block dust and preserve lubrication, ensuring smooth, high-speed rotation.

✅ Quantity: 10 Bearings
✅ Size: 4mm inner x 8mm outer x 3mm width
✅ Material: Stainless steel
✅ Type: Deep groove ball bearings
✅ Closures: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic Load Rating: 400 N
✅ Static Load Rating: 140 N
✅ Max Speed (Grease): 61,000 RPM
✅ Precision Grade: ABEC-3

✅ Common Equivalents:
KOYO WML4008ZZ • NSK MR84ZZ • NMB L-840ZZ

✅ Popular Fitments:
Tamiya • Kyosho • HPI RS4 • Yomega Yo-Yo
CENTURY Ninja Pro 30-46 • COX Bandito Ultra Stock
COX Scorpion • Tomahawk • DIALED Lightning
Robbe Sea Jet (Electric Boat) • Schumacher CAT 2000
Cougar 2000 • Storm Truck 2000

💡 What does ABEC-3 mean in ball bearings?
ABEC-3 is a precision rating that ensures reliable accuracy and smooth motion. It offers a solid balance of performance, speed, and durability for most hobby-grade and industrial uses.

Perfect for hobbyists and engineers who need compact, high-speed bearings that hold up under pressure.