Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | KIF |
| Country of Origin | Japan |
| Precision Grade | P5 (ABEC-5) |
| Material | Chrome Steel |
| Seal Type | Open, Z, or ZZ (Model Dependent) |
| Cage Material | Steel |
| Lubrication | Pre-greased |
| Flange Design | Integrated Outer Ring |
| Noise Level | Low Noise Operation |
| Warranty | 30-Day Manufacturer Defect |
Anonymous
Mar 21, 2026
Rating: 5/5
Genuine KIF Quality
Smooth rotation out of the box. Packaging was secure and prevented any damage during transit. Highly recommended for precision apps.
Anonymous
Mar 15, 2026
Rating: 5/5
Very Quiet Operation
No vibration detected under load. These are definitely superior to generic alternatives I have used in the past.
Anonymous
Mar 10, 2026
Rating: 4/5
Good Value
Bearings are top notch. Shipping took slightly longer than expected but the product quality makes up for it.
Anonymous
Feb 26, 2026
Rating: 5/5
Excellent Precision
Used these for a robotic arm project. The runout is minimal and they fit the housing perfectly. Genuine KIF quality.
Anonymous
Jan 26, 2026
Rating: 5/5
Perfect Fit for F6900
Replaced old bearings in my drone motor with these. The integrated flange sits flush and vibration is almost non-existent.
Q: Can I use these in high RPM applications?
A: Yes, the P5 grade and steel cage support high-speed operation, provided load limits are respected.
Q: Are these authentic KIF Japan bearings?
A: Yes, all bearings are sourced directly from authorized distributors in Japan.
Q: What is the dimensional tolerance for the 6903-Z model?
A: They adhere to standard ISO dimensions for the 6903 series with P5 precision tolerances.
Q: Do you offer bulk discounts for orders over 50 units?
A: Yes, please contact our sales team directly for volume pricing inquiries.
Q: Is the pre-applied grease food safe?
A: No, the standard industrial grease is not certified for food contact applications.
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
CANDLE.LAB | Silver Metal and Wood Wick Centering Device - DIY Tool for Aromatherapy Container Candles
$2.50
Custom Solid Wood Plaque - Antique Style Wooden Storefront Sign, Door Plaque, Carved Wood Board with Arched Couplets
$50.00
Industrial Scouring Pads - Stainless Steel Brushing and Rust Removal for Iron Plates - Heavy-Duty Kitchen Cleaning and Polishing
$17.62
Supply Fully Automatic Self-Cleaning Filter Pipeline Backwash Filtration Machine Stainless Steel Scraper Filter
$9,600.00
Fangxinyue Scented Candle Glass Windshield - High Borosilicate Cover to Improve Memory Ring Burning
$29.90
Hanging Drainage Basket Kitchen Sink Strainer Plastic Storage Rack Food Waste Filter
$2.85
Over-Toilet Storage Cabinet with Doors - Multi-Tier Floor Standing Bathroom Organizer for Narrow Spaces
$258.00
Inth A6 Multifunctional Leather Journal - Vintage Sketchbook, Watercolor Pad, and Doodle Book with Replaceable Cotton Refill Pages for Students
$26.90
Beginner Chinese Painting Line Drawing Copybook: Animals, Flowers, Figures, and Landscapes
$18.80
vantkevin Scented Candle Tool Set for Extinguishing Flames and Snuffing Wicks
$17.60
Multi-Function Car Tire Stone Remover Tool - Hook Pick and Screwdriver for Tread Cleaning
$3.80
Pad Printing Machine Parts: Fixed Ink Roller Screw, Steel Plate Mounting Screw, Blade Holder Adjustment Nut, Blade Clamp Screw
$0.30
Cast Steel Speed Bump for Road Ramps and Slopes
$104.12
Lifting Chain Rigging with Shackles and Hooks - Manganese Steel Chain for Towing and Hoisting Cargo 5 Ton, 3t, 2m, 1m
$92.90
309 PCB Conformal Coating - Triple Protection Acrylic UV-Cured Moisture Resistant Paint by Dima
$462.50
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
