Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Model Series | 6305, 6306, 6307, 6308, 6309 |
| Bearing Type | Deep Groove Ball Bearing |
| Material | Chrome Steel (GCr15) |
| Precision Grade | P5 (ABEC 5) |
| Seal Type | 2Z (Metal) / 2RZ (Rubber) |
| Cage Material | Steel Stamped Cage |
| Lubrication | Pre-lubricated with Grease |
| Country of Origin | China |
| Warranty | 1 Year Manufacturer Warranty |
Anonymous
Apr 06, 2026
Rating: 4/5
Good fit but slow shipping
Dimensions matched perfectly with my machinery. Only issue was the delivery took longer than expected.
Anonymous
Mar 17, 2026
Rating: 5/5
Reliable for industrial use
Bought the 6308-2Z for conveyor belts. No issues so far after three months of continuous operation.
Anonymous
Feb 18, 2026
Rating: 4/5
Solid bearing
Good value for the price. Slightly tighter fit than expected but seated properly after installation.
Anonymous
Jan 31, 2026
Rating: 5/5
Excellent value
Arrived well packaged. Authentic product with clear laser markings on the ring. Will buy again.
Anonymous
Jan 28, 2026
Rating: 5/5
Genuine HRB Quality
Used these for a motor repair project. They run smooth and quiet. The packaging confirmed authenticity.
Q: What is the exact inner diameter for the 6305 model?
A: The 6305 model has an inner diameter of 25mm, outer diameter of 62mm, and width of 17mm.
Q: Are these bearings pre-lubricated?
A: Yes, all bearings come pre-lubricated with standard grease suitable for general industrial applications.
Q: How can I verify the authenticity of the product?
A: Check the laser marking on the ring and the hologram on the packaging box for verification codes.
Q: What is the difference between 2Z and 2RZ seals?
A: 2Z indicates metal shields on both sides, while 2RZ indicates non-contact rubber seals on both sides.
Q: Can these handle high-speed applications?
A: P5 precision supports moderate high speeds. Please refer to the specific RPM limit chart for the selected model.
![[Dental Implant Chief Specialist] Implant Examination and Treatment Planning](https://www.gosteppe.com/cache/small/product/268856/legacy-main-c23225af0fb2c31bbd4f46a1.png)
[Dental Implant Chief Specialist] Implant Examination and Treatment Planning
$9.90
Wall-Mounted Toilet Storage Rack - No-Drill Bathroom Shelf Organizer for Above the Toilet
$26.07
New Wireless Car Vacuum Cleaner, High Suction Home Use, Compact Handheld Silent High-Power Vacuum
$114.00
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$47.55
Cement-Specific Pigment Powder for DIY Crafts, Gypsum Dye for Creative Flower Pot Coloring
$3.83
9 Garrett iCover 270 Twin 5RX Restech 072.6S28 Turbocharger 20-Dragon 0TXD GT 37042
$6,755.00
Household Small Range Hood, Portable USB Desktop Fume Extractor for Living Room Hot Pot and BBQ Odor Removal, Mini Smoke Absorber
$41.00
Retainer Storage Box, Clear Case for Invisible Aligners with Mirror, Portable Orthodontic Appliance Carrier, Instagram Style
$13.40
Hairline Transplant | No-Shave Hair Transplant | 1-1500 Units Long Hair Planting for Natural Flow and Volume - Department Director Service
$25,800.00
Zhong Yao Xuan Shi Biao Small Regular Script Hard Pen Copybook, 1.8cm Column Width, Tear-Off Sheets for Precise Tracing – Source of Regular Script
$29.70
Chunfei Grocery Store Yun'an GR02 Gravel Bike Thru-Axle Disc Brake Lightweight Touring with Multiple Rack Mounts
$8,974.00
Anti-Tangle High-Strength Grade 100 Lifting Chain for Industrial Hoisting
$776.44
DIY Rose Essential Oil Handmade Soap Customization
$35.00
Adjustable Height Simple Storage Shelf - Wooden and Iron Bookcase, Steel-Wood Supermarket Display Rack
$256.00
DIY Handmade Soap Mold - Carnation Flower Rectangular Silicone Mold for Homemade Soap, Mother's Day Gift
$14.30
Fried Chicken Warmer Cabinet with Heat Lamp Small Single-Layer Insulated Box for Pies Youtiao Chestnuts and Roasted Sweet Potatoes Display Case
$500.00
Dried & Preserved Flower DIY Kit for Scented Candles – Ocean Style for Festivals, Team Building, and Workshops
$6.83
304 Stainless Steel Chain, Thickened Industrial Seamless Short/Long Link Chain for Lifting, Swing, or Dog Leash
$1.50
Large Bucket 502 Glue, Strong Instant Adhesive, Gold Material 502 Dry Glue for Leather, Metal, Furniture, and Plastic Bonding by Manufacturer
$1,893.00
Rectangular Plastic Vegetable Planter for Balcony - Durable Home Gardening Pot
$12.90
Chinese Painting Line Drawing Copybook, Gongbi Sketch Template, Large-Scale Tracing Album, Ancient Style Brush Control and Line Practice Book
$7.48
German Continental Tires 225/45R17 Run-Flat, 19-Inch Original Authentic with Full Tread Patterns
$380.00
Dynamic Sheet Music Simplified Notation Accompaniment for Electric Wind Instrument Saxophone Hulusi Ocarina Flute Bamboo Flute
$10.00
LL Industrial Lint-free Wiping Paper - Oil and Water Absorbent Non-woven Fabric (White/Blue Large Roll)
$185.82
Continental Quiet Used Car Tires 225/235/245/255/265-35/40/45/50 R17/18/19/20/21/22/23
$284.00
Negotiable Price: Siemens Load Cell 7mh4106-5ec11, Brand New Unused, Contact for Price Negotiation
$1,332.00
Premium Over-Toilet Storage Organizer, Wall-Mounted Bathroom Shelf, No Drilling Required, Multi-Function Toilet Rack
$31.76
Model 2000 Large Commercial Vegetable Cutter for Slicing, Dicing, and Cutting Leafy Greens and Kimchi
$11,000.00
Aromatherapy Candle Tool Set - Includes Igniter, Snuffer, Wick Trimmer, Flame Extinguisher Cover, and Rotating Carousel Ornament
$2.55
onlycook 304 Stainless Steel Kitchen Rack with Narrow Edge for Sink, Dishcloth Drainer, and Sponge Basket
$36.50
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
