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