NiArt

20 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls

$14.98 USD

Shipping calculated at checkout.

Pack Size Default 20 Pack

Quantity

Precision engineering meets reliability with this comprehensive 20-pack bearing replacement set. Engineered for smooth, high-speed operation and lasting durability, these stainless steel bearings are the perfect choice for maintaining your fidget spinner's peak performance.

📦 At a Glance

Type

Fidget Spinner Bearings

Quantity

20 Pack

Material

Stainless Steel & ABS

Bearing Size

13mm × 7mm × 4mm

✨ Premium Features

This replacement set includes 20 precision MR137 ball bearings with single-sealed protection and 20 compatible ABS plastic caps. The stainless steel races are machine-polished for exceptionally smooth, high-speed rolling while resisting corrosion and deformation under load. Designed for easy installation and removal, these sealed bearings protect against dust and moisture while maintaining optimal lubrication, reducing maintenance needs and extending product lifespan.

🔧 Performance Profile

Spin Speed

High Performance

Durability

Long-Lasting

Corrosion Resistance

Superior

Ease of Installation

Straightforward

🎯 Precision Bearings ⚡ High-Speed Performance 🛡️ Single-Sealed Protection 🔧 Easy Replacement ✓ Includes 20 Caps

📐 Technical Specifications

⭕

Inner Diameter

7mm

◯

Outer Diameter

13mm

📏

Thickness

4mm

↩️

30-Day Returns

Unused items, 30 days. Damaged, wrong, or lost made right.

🔒

Secure Checkout

Encrypted payment, trusted by Shopify.

📦

Tracked Shipping

Every order ships with tracking.

Why Home Cooks Choose SERA

✓ Hand-Curated

Every tool & ingredient is selected for quality — not mass-listed.

✓ Café & Kitchen Guidance

Clear how-to notes so you get great results at home.

✓ Real Support

Questions? Our team replies within 24–48 hours.

📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.

View full details

Blog posts

View all

Best Picnic Lunch Box for Café-Style Meals: 202...

July 23, 2026
A practical buying guide to the best picnic lunch boxes for café-style outdoor meals — comparing vacuum-insulated food jars, leakproof bento boxes, stackable tiffins, and glass containers by temperature retention,...

Best Picnic Lunch Box for Café-Style Meals: 202...

July 23, 2026
A practical buying guide to the best picnic lunch boxes for café-style outdoor meals — comparing vacuum-insulated food jars, leakproof bento boxes, stackable tiffins, and glass containers by temperature retention,...
Best Summer Brunch Spread Ideas for a Café-Wort...

July 22, 2026
Build a beautiful summer brunch spread with a hibiscus cold-brew tea station, fresh seasonal fruit board, warm baked goods, and cohesive stoneware serveware — complete recipes, prep timings, and table-setting...

Best Summer Brunch Spread Ideas for a Café-Wort...

July 22, 2026
Build a beautiful summer brunch spread with a hibiscus cold-brew tea station, fresh seasonal fruit board, warm baked goods, and cohesive stoneware serveware — complete recipes, prep timings, and table-setting...
Ice Cream Melting Too Fast? 5 Quick Fixes That ...

July 21, 2026
Ice cream melting too fast? Freeze your bowl for 10 minutes, dip your scoop in hot water for 3–4 seconds, and temper the sealed carton 3–5 minutes before serving —...

Ice Cream Melting Too Fast? 5 Quick Fixes That ...

July 21, 2026
Ice cream melting too fast? Freeze your bowl for 10 minutes, dip your scoop in hot water for 3–4 seconds, and temper the sealed carton 3–5 minutes before serving —...