Skip to main content
Home / Bearings & Bushings / NSK Japanese Imported Precision Deep Groove Ball Bearings 618/619/4/5/6/7/8/9-2Z Bearing Steel

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Brand NSK
Material Bearing Steel (GCr15)
Bearing Type Deep Groove Ball Bearing
Country of Origin Japan
Seal Type 2Z (Metal Shielded)
Precision Class P0 (ABEC 1)
Cage Material Pressed Steel
Lubrication Pre-lubricated with Grease
Operating Temperature -30°C to +110°C
Warranty 1 Year Manufacturer Warranty

5 reviews

A

Anonymous

Mar 09, 2026

Rating: 5/5

Excellent Precision

Used these for a CNC spindle repair. Runout is minimal and vibration is low. Genuine NSK quality.

A

Anonymous

Mar 05, 2026

Rating: 4/5

Good Value

Quality is great but price fluctuates often. Would buy again when on sale.

A

Anonymous

Feb 27, 2026

Rating: 5/5

Fast Shipping

Needed replacement bearings urgently. Arrived quickly and packaging was secure.

A

Anonymous

Feb 18, 2026

Rating: 4/5

Solid Product

Works as expected for standard machinery. Metal shields protect well against dust.

A

Anonymous

Feb 07, 2026

Rating: 5/5

Industrial Grade

Bought in bulk for our assembly line. Consistent performance across all units.

5 FAQ

Q: Is the 2Z seal removable?

A: The 2Z metal shields are non-contact and generally not intended to be removed by the end user.

Q: Do I need to add oil before installation?

A: No, these come pre-lubricated with grease. Additional lubrication is not required initially.

Q: Can I mix different batch numbers?

A: While generally compatible, we recommend using bearings from the same batch for critical precision applications.

Q: Are these bearings suitable for high RPM motors?

A: Yes, deep groove ball bearings are designed for high-speed applications depending on the specific size.

Q: What is the return policy for opened packages?

A: Due to hygiene and safety standards, opened bearing packages cannot be returned unless defective.

Explore your interests

All Categories
Best Seller (30)
New List (30)
Ruke Floating Skimmer Machine for Sewage Treatment Plant Biochemical Tanks

Ruke Floating Skimmer Machine for Sewage Treatment Plant Biochemical Tanks

$12,064.00

Car Tire Stone Removal Tool Rock Picker Anti-Explosion Hook Stone Cleaner Car Hook Window Breaker Hammer

Car Tire Stone Removal Tool Rock Picker Anti-Explosion Hook Stone Cleaner Car Hook Window Breaker Hammer

$2.07

Negotiable Price: Siemens 10mA Leakage Circuit Breaker, 2P 16A Ground Fault Protection

Negotiable Price: Siemens 10mA Leakage Circuit Breaker, 2P 16A Ground Fault Protection

$130.00

Jingdezhen Ceramic Brush Washer Set, Blue and White Porcelain Calligraphy Ink Well and Pen Holder

Jingdezhen Ceramic Brush Washer Set, Blue and White Porcelain Calligraphy Ink Well and Pen Holder

$14.99

Beishanlang Outdoor Camping Foldable Lighting Stand Aluminum Alloy Portable Lamp Pole Bracket Camp Light Night Fishing Light

Beishanlang Outdoor Camping Foldable Lighting Stand Aluminum Alloy Portable Lamp Pole Bracket Camp Light Night Fishing Light

$49.00

Mobile Gas Cylinder Stand with Wheels - Plastic Base Tray for Propane Tanks and Water Buckets

Mobile Gas Cylinder Stand with Wheels - Plastic Base Tray for Propane Tanks and Water Buckets

$10.65

Fast Grocery Shopping Cart, Foldable Portable Home Trolley with Stair-Climbing Wheels, Lightweight Hand Truck for Seniors

Fast Grocery Shopping Cart, Foldable Portable Home Trolley with Stair-Climbing Wheels, Lightweight Hand Truck for Seniors

$299.06

Car Tire Stone Hook - Multi-Function Rust-Resistant Tool for Removing Stones from Tires

Car Tire Stone Hook - Multi-Function Rust-Resistant Tool for Removing Stones from Tires

$8.33

Zunjue 100% Cotton Watercolor Paper Mini Portable Pocket Sketchbook for Travel, 300g Cold Press Thickened Art Notebook for Gouache, Oil Pastel, and Colored Pencil

Zunjue 100% Cotton Watercolor Paper Mini Portable Pocket Sketchbook for Travel, 300g Cold Press Thickened Art Notebook for Gouache, Oil Pastel, and Colored Pencil

$3.32

Large Capacity Waterproof Phone Pouch for Outdoor Diving, Rafting, and Swimming - Touchscreen Compatible Waist Bag with Storage

Large Capacity Waterproof Phone Pouch for Outdoor Diving, Rafting, and Swimming - Touchscreen Compatible Waist Bag with Storage

$2.50

Custom Office Meeting Door Sign – Switchable 'Do Not Disturb' & 'Please Knock' Plate

Custom Office Meeting Door Sign – Switchable 'Do Not Disturb' & 'Please Knock' Plate

$5.00

Multi-Function Over-Toilet Storage Rack – No-Drill, Multi-Tier Floor Stand for Bathroom Laundry Gap

Multi-Function Over-Toilet Storage Rack – No-Drill, Multi-Tier Floor Stand for Bathroom Laundry Gap

$28.48

External Round Thread Welding Turning Tool, Threading Tool, Zhuzhou Alloy YT15 YG8 YW2 Lathe Tools, 20*25*30 Square

External Round Thread Welding Turning Tool, Threading Tool, Zhuzhou Alloy YT15 YG8 YW2 Lathe Tools, 20*25*30 Square

$17.00

Traditional Children's Rattle Drum, Classic Baby Hand-Shake Instrument, Plastic Toy for Newborn Boys and Girls

Traditional Children's Rattle Drum, Classic Baby Hand-Shake Instrument, Plastic Toy for Newborn Boys and Girls

$2.90

Ultra-Soft Dual-Tip Blending Stump Set for Oil Pastels & Sketching – Washable Smudge Tools for Shading and Detail Work

Ultra-Soft Dual-Tip Blending Stump Set for Oil Pastels & Sketching – Washable Smudge Tools for Shading and Detail Work

$3.39

Chengzhutang Foldable Water Bucket Chinese Painting Brush Washer Gouache Watercolor Paint Cleaning Pail Art Student Brush Basin Collapsible Cup Oil Painting Color Pigment Bucket

Chengzhutang Foldable Water Bucket Chinese Painting Brush Washer Gouache Watercolor Paint Cleaning Pail Art Student Brush Basin Collapsible Cup Oil Painting Color Pigment Bucket

$9.80

Meiao Dental Nobel Biocare Import Package - Swedish Dental Implants, Crowns, Abutments, and Dentures

Meiao Dental Nobel Biocare Import Package - Swedish Dental Implants, Crowns, Abutments, and Dentures

$15,888.00

Outdoor Waterproof ABS Plastic Case - Shockproof Moisture-Proof Storage Box with Cushioning for EDC Tools and Travel

Outdoor Waterproof ABS Plastic Case - Shockproof Moisture-Proof Storage Box with Cushioning for EDC Tools and Travel

$12.00

Natural Loofah Dish Cloth - Oil-Resistant, Non-Scratch Industrial Scouring Pad

Natural Loofah Dish Cloth - Oil-Resistant, Non-Scratch Industrial Scouring Pad

$3.43

Paper Blending Stumps for Sketching - Professional Art Supplies for Highlights, Shadows, Pastels, Oil Pastels, and Colored Pencils - Complete Set for Beginners and Artists

Paper Blending Stumps for Sketching - Professional Art Supplies for Highlights, Shadows, Pastels, Oil Pastels, and Colored Pencils - Complete Set for Beginners and Artists

$4.40

Aromatherapy Cup Candle Container DIY Crystal Diffuser Stone Cup Plaster Cement Cup Glass Vessel Demagnetizing Bowl

Aromatherapy Cup Candle Container DIY Crystal Diffuser Stone Cup Plaster Cement Cup Glass Vessel Demagnetizing Bowl

$4.68

American Chicano West Coast Style Neon Sign - Gothic Script Rap Shop Decor, Opening Gift, Living Room Light-Up Art

American Chicano West Coast Style Neon Sign - Gothic Script Rap Shop Decor, Opening Gift, Living Room Light-Up Art

$279.00

Data Cable Organizer, Desktop Fixed Charging Cable Storage, Solid Wood Phone Power Cord Clip, Anti-Tangle Adhesive Hook, No-Drill Computer Wire Winder, Wooden Edge Hanging Cable Collector

Data Cable Organizer, Desktop Fixed Charging Cable Storage, Solid Wood Phone Power Cord Clip, Anti-Tangle Adhesive Hook, No-Drill Computer Wire Winder, Wooden Edge Hanging Cable Collector

$35.00

Forest Wooden House Building Blocks - Educational Treehouse Toy for Boys and Girls, Board Game Trendy Blind Box

Forest Wooden House Building Blocks - Educational Treehouse Toy for Boys and Girls, Board Game Trendy Blind Box

$12.90

German B&W Safety Case for Folding Knives - EDC Tool Storage Box, Waterproof, Moisture-Proof, Shockproof, Models 1000-3000

German B&W Safety Case for Folding Knives - EDC Tool Storage Box, Waterproof, Moisture-Proof, Shockproof, Models 1000-3000

$245.00

Fuzao Kids 3D Printing Pen 2026 New Arrival Viral Pretend Play Toy for Girls Educational Gift for Ages 3+ Children's Day

Fuzao Kids 3D Printing Pen 2026 New Arrival Viral Pretend Play Toy for Girls Educational Gift for Ages 3+ Children's Day

$48.90

UHT Ultra-High Temperature Sterilizer, Room-Temperature Set Yogurt Production Line, Yogurt Processing Equipment, Stirred Yogurt System

UHT Ultra-High Temperature Sterilizer, Room-Temperature Set Yogurt Production Line, Yogurt Processing Equipment, Stirred Yogurt System

$80,640.00

Professional Sketch Blending Kit for Art Students: Gray Tone Pencils, Sponges, Stumps, and Erasers

Professional Sketch Blending Kit for Art Students: Gray Tone Pencils, Sponges, Stumps, and Erasers

$4.17

Custom Solid Wood Signboard with Engraved Lettering, Advertising Carved Plaque for Homestays, Tea Rooms, Studios, Wooden Entrance Hanging Sign

Custom Solid Wood Signboard with Engraved Lettering, Advertising Carved Plaque for Homestays, Tea Rooms, Studios, Wooden Entrance Hanging Sign

$16.90

MOKO Stainless Steel Expandable Dish Drainer - Multi-Function Kitchen Sink Rack for Bowl and Plate Storage

MOKO Stainless Steel Expandable Dish Drainer - Multi-Function Kitchen Sink Rack for Bowl and Plate Storage

$28.00