Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Inner Diameter (Bore) | 12 mm |
| Outer Diameter (OD) | 18/21/24/26/28/30/32/36 mm (Select Variant) |
| Material | Chrome Steel (GCr15) |
| Seal Type | ZZ (Metal) or 2RS (Rubber) |
| Precision Rating | ABEC-7 / P4 |
| Maximum Speed | 20,000 - 35,000 RPM |
| Lubrication | Pre-lubricated High-Speed Grease |
| Cage Material | Steel or Nylon |
| Operating Temperature | -20°C to +120°C |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Mar 30, 2026
Rating: 5/5
Reliable non-standard sizes
Hard to find 21mm OD bearings locally. These are genuine chrome steel and hold up under load without issue.
Anonymous
Mar 06, 2026
Rating: 5/5
Great for high RPM applications
Using these in a high-speed grinder. No heat buildup after prolonged use and vibration is minimal.
Anonymous
Feb 26, 2026
Rating: 5/5
Ultra quiet as advertised
Replaced standard bearings in my CNC spindle. The noise reduction is noticeable immediately upon startup.
Anonymous
Feb 24, 2026
Rating: 4/5
Good quality, slight delay
Bearings are high quality and precise. Shipping took a bit longer than expected but worth the wait for the size.
Anonymous
Feb 09, 2026
Rating: 5/5
Perfect for custom motor build
Needed a specific OD for a drone motor modification. These fit perfectly and run very smooth. High quality steel.
Q: Are these sealed against dust?
A: Yes, choose the 2RS option for rubber sealing which protects against dust and moisture effectively.
Q: Can I mix different ODs in one order?
A: Please select specific OD variants separately to ensure accurate inventory allocation and shipping.
Q: What grease is used inside?
A: We use a high-speed synthetic grease suitable for most motor applications within the temperature range.
Q: Is the bore exactly 12mm?
A: Yes, the inner bore is standardized at 12mm with h6 tolerance for a secure shaft fit.
Q: Do you offer bulk pricing?
A: Yes, contact our support team directly for orders exceeding 100 packs for discounted rates.
Colored Paper Signing Board CP Autograph Panel Japanese Anime Drawing Paper Watercolor Paper Square Blank Signature Card for Markers Anime OC Hand-Drawn Cards
$10.80
Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student Supplies
$32.00
Custom Solid Wood Plaque - Antique Carved Wooden Sign for Shop Grand Opening, Doorway Decoration, Wood Carving, and Couplets
$50.00
Retainer Storage Case for Invisible Aligners, Children's Orthodontic Appliances, and Dentures - Portable Cleaning and Drainage Box for Elderly and Kids
$11.90
Manufacturer Supply 460 Fast-Drying Glue: High Viscosity, Instant Bond, Low Whitening, Odorless
$64.00
Large Commercial Electric Peeler - Automatic Peeling Machine for Fruits and Vegetables like Pineapple, Potato, Winter Melon, Pumpkin, and Cantaloupe
$615.00
DH-20AC Compressed Air Refrigerated Dryer - 2.6 Cubic Meters, High-Temperature Air-Cooled, Compact Air Compressor Dryer
$4,180.00
Large-Capacity Quilt Storage Bag for Clothes, Comforters, and Down Jackets; Compression Bag for Moving and Luggage
$3.50
No-Drill Invisible Cable Organizer, Self-Adhesive Wire Fixer, Data Line Clip for Cable Management and Network Routing
$3.31
Stainless Steel Polishing Needle for Agarwood and Sandalwood Beads, Handmade Incense Tool, DIY Incense Materials
$15.00
Rectangular Plastic Planter for Outdoor Balcony Gardening - Ideal for Vegetables and Strawberries
$75.50
Windshield Washer Pump for Mitsubishi Outlander 8L84-17664-AA
$81.28
Lotus DIY Handmade Soap Silicone Mold - Lotus Leaf, Root, and Seed Pod Designs for Soap Base and Baking
$4.93
Multi-Function Herbal Slicer and Dicer for Roots, Rhizomes, Vines, Leaves, and Branches | Slicing Machine for Acorus Tatarinowii, Dried Tangerine Peel, and Polygonatum
$500.00
Multifunctional Outdoor Water Bag Swimming Float Maijia Qian Safety Buoy 10KG Tent Ballast Water Storage Bag
$21.89
Natural Mint Aromatherapy Incense, Osmanthus and Gardenia Scents, Mugwort Stick Incense for Bedroom, Refreshing and Sleep-Aiding
$6.43
Factory Stock Kubu Asu Washing Machine - Commercial Canned Fruit Hawthorn and Cherry Bubble Cleaning Equipment
$7,066.00
No More Games - Leslie Cheung & Koji Tamaki Saxophone Cover with City Pop Sheet Music and Backing Track
$26.00
2026 New Year Rubbing Art Kit - DIY Craft Material Set with Horse Year Fu Character Stencils for Kindergarten
$3.98
Used Car Tires 185 195 205 215 235/55 60 70R13 14 15 16 Random Tread Pattern
$57.80
Sponge Stamp Painting Tools Stamping Rods Kindergarten Children's Art Supplies Mushroom Head Sponge Brushes
$3.50
Croma Portable Pocket Watercolor Sketchbook - 300g Cold-Press Paper for Acrylic Markers, Pen & Wash, and Travel Sketching
$14.20
PLC Control Cabinet Explosion-Proof Variable Frequency Drive Panel for Constant Pressure Water Supply
$6,098.00
Beginner Watercolor Painting Book with Line Art for Coloring, Featuring Zodiac and Martial Arts Themes
$5.53
Compact Home Range Hood - Portable USB Desktop Smoke Extractor for Living Room Hot Pot and BBQ Odor Removal
$41.00
Rubens Watercolor Paper, Starry Sky Watercolor Pad, High Absorption, 32K/16K/8K, Thickened 300g, Medium/Fine Grain for Art Students
$6.42
Commercial Pasteurization Machine for Fresh Milk Bars and Dairy Farms - Stirring and Preservation Tanks (Large and Small Sizes Available)
$3,185.00
Handcrafted Sheepskin Rattle & Peach Wood Shaker - Pure Copper Brass Bells, Vintage Wooden Toy Safe for Infant Chewing
$31.50
RIDE ON TIME Tatsuro Yamashita Mr. Fuki Saxophone Trio Accurate Transcription Service
$34.00
Metal Unveiling Stand for Ribbon-Cutting Ceremonies - Vertical Display Rack for Grand Openings, Advertising Signs, and Plaques
$159.00
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
