Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | Harbin (HRB) |
| Bearing Series | 6300 Deep Groove Ball |
| Material | Chrome Steel GCr15 |
| Shield Type | Metal Shield (Z) |
| Precision Grade | P0 (ABEC-1) |
| Cage Material | Steel Stamped |
| Lubrication | Standard Grease Pre-filled |
| Internal Clearance | C0 (Normal) |
| Country of Origin | China |
| Warranty | 12 Months Limited |
Anonymous
Apr 16, 2026
Rating: 4/5
Solid build quality
These are not high precision spindle bearings, but for general machinery and pulleys they are perfect. Good value for the price point.
Anonymous
Apr 01, 2026
Rating: 5/5
Good inventory set
Having all sizes from 6300 to 6307 in one catalog order is convenient for our workshop. Everything arrived well labeled and organized.
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent fit for motor repair
Used the 6305 Z for an electric motor repair. The fit was precise and the rotation is very smooth. Harbin quality is reliable for industrial applications.
Anonymous
Mar 14, 2026
Rating: 5/5
Fast delivery and safe packaging
Ordered the 6307 Z urgently. Arrived sooner than expected. Packaging protected the bearings well from moisture and damage.
Anonymous
Feb 04, 2026
Rating: 5/5
Authentic product
Verified the laser markings on the rings. These are genuine HRB bearings. No issues with noise or vibration during initial run-in.
Q: What is the maximum RPM for the 6303 Z?
A: The limiting speed varies by lubrication and load, but typically the 6303 Z can handle up to 22,000 RPM under ideal conditions.
Q: Do you offer bulk pricing for orders over 100 units?
A: Yes, we offer tiered discounts for bulk orders. Please contact our sales department directly for a custom quote.
Q: What is the difference between Z and 2RS suffix?
A: Z indicates a metal shield on one side, allowing for higher speeds. 2RS indicates rubber seals on both sides, offering better contamination protection but lower speed limits.
Q: Is the grease suitable for high temperature environments?
A: Standard grease is rated up to 120°C. For higher temperatures, we recommend requesting high-heat lubrication options at checkout.
Q: What are the dimensions for the 6305 model?
A: The 6305 Z has an inner diameter of 25mm, an outer diameter of 62mm, and a width of 17mm.
Dust Extraction Sanding Table - Industrial Pulse Cartridge Collector for Polishing, Stone, and Woodworking Dust
$600.00
Diamond Tire 255/45R20
$518.00
Amusement Park Suspension Bridge - 15m/20m/25m/30m Viral Swing Bridge with Iron and Steel Chains
$58.00
Paint Spray Catalytic Combustion Equipment - Industrial Exhaust Gas Treatment Device - Activated Carbon Adsorption/Desorption CO Catalytic Combustion
$324,999.00
Car Wheel Tire Bolt Rust-Proof Cap Universal Size 17 19 21 Decorative Dust-Proof Protective Cap Cover
$15.70
Commercial Electric Vegetable Slicer - Multi-Function Stainless Steel Machine for Potatoes and Canteens
$2,017.28
Irregular Ticket Stub Watercolor Paper Stamp Blank Drawing Paper 300g Cotton Pulp Fine Texture Thickened with Serrated Edges Specialized Paper for Art Students
$5.60
Stainless Steel Electric Buffet Warmer with Visible Lid - Square Flip-Top Chafing Dish for Hotels
$251.70
Baohong Cotton Pulp Watercolor Paper Pad 300g Cold/Hot Press, Glued on Four Sides, 16K/8K - Premium Full Cotton Art Paper for Oil Pastels and Professional Artists (Baoding, China)
$17.00
ORDER Industrial Large Roll Wiper Paper Dispenser, TORK Multi-Convenience Roll Stand
$170.00
Lifting Chain Slings Manufacturer, MHU Lifting Gear, G80 Manganese Steel Hoisting Chains, Single and Double Leg Sets
$835.00
Multi-Function Bathroom Storage Rack for Toilet, Washroom, and Sanitary Supplies, Over-Toilet Home Organizer
$20.30
Portable Travel Art Set for Kids - Watercolor Paint Box with Sketchbook and Mini Drawing Board
$9.05
Pneumatic Fitting PU Straight Connector Quick-Insert Plastic High-Pressure Air Hose Fitting PU-4681012
$4.90
Chain Sling Lifting Shackle Steel Chain Single Leg with Hooks on Both Ends for Towing, 2m Length, 5 Ton Capacity
$79.00
Large Brush Set Supply - Watercolor Pen Set for Children's Day Painting, Art, and Coloring
$25.55
Non-Bleeding Liquid Candle Dye - Macaron Colors for Soy Wax DIY Aromatherapy Candles
$21.00
Alloy Wheel Lug Nut Caps Compatible with Buick Excelle, Verano, Regal, LaCrosse, Encore, Cruze, Malibu, and GL8
$3.40
![[Damai Holds Micro-Needle Hair Transplant Patent] AI Robot Precision Hair Transplant | 1000 Units Hairline Planting](https://www.gosteppe.com/cache/small/product/269438/legacy-main-d695e1be3b1b8212f24ac863.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] AI Robot Precision Hair Transplant | 1000 Units Hairline Planting
$24,990.00
Premium Ceramic Tea Canister Packaging Box, Empty Gift Box for Black Tea, Pu'er, White Tea, Biluochun, Gift Set Empty Box
$104.95
Thickened 304 Stainless Steel Planter Box for Home Balcony Vegetable Gardening - Rectangular Large Flower Pot for Rooftop Planting
$204.00
Zhongheng Car Tire Stone Hook - Multi-Function Tire Cleaner Tool to Prevent Blowouts
$7.14
JoanMiro 3D Printing Pen for Kids, Low-Temperature 3D Stereoscopic Drawing Toy, Perfect Gift for Boys and Girls on Children's Day
$29.90
Stainless Steel Tire Stone Removal Hook - Multi-Function Car Tire Cleaning Tool for Picking and Scraping Stones
$5.03
Cart Cover Rice Husk Charcoal Premium Plant Ash Grain Shell Carbon Natural Organic Fertilizer for Vegetables Succulents and Flowers
$6.55
Aojilong Automotive Plastic Restorer – Revives Black Trim, Repairs Aging, Crystal Coating Finish
$28.80
Hotel Meat Warmer Lamp - Buffet Heating Light for Cafeterias and Restaurants
$5,989.00
Topmodel Children's Watercolor Coloring Book Set with Pens, Baby Graffiti Sketchbook, Fill-in Storybook 3073
$119.09
Children's Potty Training Seat for Boys and Girls, Toddler Toilet Trainer with Urinal Bucket
$17.90
265/70R17 AT Off-Road Tire, Also Available in 205/215/225/235/45/50/55/60R18/20 High-Performance Sizes for 19-inch Wheels
$898.00
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
