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Home > Tools & Hardware > Bearings > Ceramic Ball Bearing > Bearings 688 2PC 8x16x5mm 440C...
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Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
  • Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS
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Bearings 688 2PC 8x16x5mm 440C Stainless Steel Ring Si3N4 Ceramic Balls Bearing ABEC-7 Metal Fidget Spinner S688 RS 2RS S688RS

  • $18.9
    10-19
    Pieces
  • $17.95
    20-39
    Pieces
  • $17.01
    40-99
    Pieces
  • $15.12
    ≥100
    Pieces
10 Piece/Pieces (5 batch) (Min. Order)
1 batch = 2 Piece/Pieces
Quantity:

0 Piece,Product Price: US $ 0

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  • Product Description
Overview
Product Attributes
Brand Name:
Fushi
Model Number:
Hybid Ceramic Bearing S688-2rs S688 Abec-7
Torque Capacity:
8*16*5mm
Structure:
Si3n4 Balls
Coatings:
440 Stainless Steel
Surface Roughness:
Ra 0.05
Material:
Hybrid Ceramic
Brand Name:
FUSHI
Packaging & Delivery
Selling Units:
Piece/Pieces
Single package size:
40cm*30cm*20cm
Single gross weight:
1kg
Lead Time :
Quantity(Piece/Pieces) 1 ~ 2000>2000
Est. Time(days) 7To be negotiated

If you finish the payment today, your order will ship out within the delivery date.

 
 
 

 
WHAT IS A HYBEID CERAMIC BEARING?
 

A ceramic hybrid bearing is a combination of ceramic balls and bearing quality steel rings.

Which combine hardened steel rings with rolling elements made of high-performance ceramic materials, are an increasingly popular option for demanding applications. 

 
 
TECHNICAL SPECS
 

Model: S688-2RS

Structure: Deep Groove Ball

Material: Hybrid Ceramic

Bore Dia (d): 8 mm

Outer Dia (D): 16 mm

Width (B): 5 mm

Closures: Sealed  (2RS)

Lubrication: Grease

Clearance: C0

Dynamic Load Rating (Cr) (Newtons): 3000

Static Load Rating (Cor) (Newtons): 1500

Weight: 0.011 kg

Grade:ABEC-7 (P4)

Quantity: 1 Lot = 2 PCS

-----------------------------------------------
 

Model: S688 OPEN

Structure: Deep Groove Ball

Material: Hybrid Ceramic

Bore Dia (d): 8 mm

Outer Dia (D): 16 mm

Width (B): 5 mm

Closures: OPEN (NO Seal)

Lubrication: Grease

Clearance: C0

Dynamic Load Rating (Cr) (Newtons): 3000

Static Load Rating (Cor) (Newtons): 1500

Weight: 0.011 kg

Grade:ABEC-7 (P4)

Quantity: 1 Lot = 2 PCS

 

Special Note:

---

1, Sometimes the cages will be different. 

eg.: 67 series thin-walled bearings, because the inner wall is very thin, will use the crown-shaped iron cage.

---

2, the grease and sealed are accept custom-made, so sometimes there are different colors of the rubber sealed.

If you mind the sealed color, please contact us. We'll confirm the stock for you.  

---

3, The standard clearance of bearings is ISO standard C0, the United States standard K25, the clearance value is 3-18um;

If you have special requirements for swinging, please contact us before purchasing to confirm.

 

 

 
 
BEARING STRUCTURE
 

440C Stainless Steel  Outer Ring & Inner Ring +

Si3N4 Ceramic Balls +

Nylon Cage +

Grease + Sealed = 

HYBID CERAMIC BEARINGS

 
 

BEARING EXPERIMENTAL DATA

 

 

 

THE HISTORY OF HYBRID CERAMIC BEARING

 

The first time I knew the application of hybrid ceramic bearings was Jacob Csizmadia in 1998 world record for 24 hour in line skating. 

A major factor in achieving the new record of 505 km was that he had, in cooperation with bearing manufacturers SKF, replaced the traditional steel balls in the skates' bearings with ceramic balls. 

In 2004, Jacob Csizmadia founded a ceramicspeed company specializing in ceramic bearing applications.

Ceramic balls manufactured from Silicon Nitride were invented in the 1970's, and were first utilised on a large scale by NASA in the early 1990's. 

Several years later ceramic ball bearings also entered usage in Formula 1 motorsport, and a small number of bearing manufacturers began producing hybrid bearings with ceramic balls for use in electrical motors.

 
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