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  • Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
    Roberta
    Their ceramic bearings are of high precision, good quality and inexpensive. We do have cooperation for many years.
  • Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
    Olga Weinberg
    This company is our reliable and professional supplier of ceramic bearings for many years, their ceramic bearings, which are used in our pump are good in quaility.
Contact Person : Cooper wang
Phone Number : 86 15801087509

Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC

  • Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC
  • Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC
  • Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC
  • Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC
Place of Origin China
Brand Name CSQ
Model Number 600/620/630/680/690 series
Minimum Order Quantity 60 pcs
Price Negotiable
Packaging Details Plastik box+carton box
Delivery Time Negotiable
Payment Terms T/T
Supply Ability Negotiable
Product Details
Name Miniature Ceramic Deep Groove Balls Bearings Model 600/620/630/680/690 Series
Race Material Zirconia Or Silicon Nitride Or Silicon Carbide Ball Material ZrO2/Si3N4/SSiC
Precision P6/ABEC3 To P4/ABEC7 Clearance C0/C3 Or Customized
Pacage Plastik Box+carton Box MOQ 50 Pieces
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miniature ceramic bearings

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deep groove ceramic ball bearing

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ball bearing 694
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Product Description

 

Miniature ceramic deep groove balls bearings of ZrO2/Si3N4/SSiC

 

Description of Miniature Ceramic Deep Groove Balls Bearings:


Our company, as one of the most professional ceramic bearing manufacturer in China, can produce many kinds of ceramic bearings. Now we are mostly speciallizing in the automatic production of 608 ceramic bearings. The material of races and rollers can be chosen among Si3N4 (silicon nitride), SSiC (silicon carbide) or ZrO2 (zirconia) and fitted with cage in material of PEEK, or PFA and seals in material of PEEK, and Rubber. Our main product is 608 Ce in material of ZrO2 races and balls+ PEEK cage (and seals). Welcome your inquiry.
 

Material Properties Units SSiC HIP-Si3N4 GPS-Si3N4 HIP-ZrO2
Density g/cm3 3.15-3.18 3.27-3.29 3.22-3.27 6.05-6.09
Porosity % 0 0 0 0
Fledural Strength MPa 550 830 689 900
Elastic Modulus GPa 410 310 310 200
Hardness HV5 2800 1580 1450 1300
Fracture Toughness KIC MPa.m1/2 4.6 6.1 5.7 8-11
Maximum Use Temperature ℃
(℉)		 1650
(3000)		 1000
(1830)		 1000
(1830)		 380
(716)

 

Reference data of Miniature Ceramic Deep Groove Balls Bearings:

 

Bearings model Form size
d (mm)		 Form size
D (mm)		 Form size
B (mm)		 Load
Cr (N)		 Load
Cor (N)		 Max.Speed
Grease (rpm)		 Max. Speed
Oil (rpm)
684CE 4 9 2.5 564 227 53000 63000
694CE 4 11 4 842 350 48000 56000
604CE 4 12 4 842 350 48000 56000
624CE 4 13 5 1145 488 40000 48000
634CE 4 16 5 1179 523 36000 43000
685CE 5 11 3 630 282 45000 53000
695CE 5 13 4 948 432 43000 50000
605CE 5 14 5 1170 507 40000 50000
625CE 5 16 5 1522 675 36000 43000
635CE 5 19 6 2056 896 32000 40000
686CE 6 13 3.5 952 442 40000 50000
696CE 6 15 5 1179 523 40000 45000
606CE 6 17 6 1991 846 38000 45000
626CE 6 19 6 2056 896 32000 40000
636CE 6 22 7 2930 1423 30000 36000
687CE 7 14 3.5 1032 513 40000 50000
697CE 7 17 5 1412 719 36000 43000
607CE 7 19 6 2056 896 36000 43000
627CE 7 22 7 2893 1379 30000 36000
637CE 7 26 9 4015 1983 28000 34000
688CE 8 16 4 1102 592 36000 43000
698CE 8 19 6 1969 917 36000 43000
608CE 8 22 7 2898 1379 34000 40000
628CE 8 24 8 2930 1423 28000 34000
638CE 8 28 9 4015 1983 28000 34000
689CE 9 17 4 1168 668 36000 43000
699CE 9 20 6 2171 1081 34000 40000
609CE 9 24 7 2953 1444 32000 38000
629CE 9 26 8 4026 1983 28000 34000
639CE 9 30 10 4100 2080 24000 30000

 

Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC 0Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC 1

Deep Groove Miniature Ceramic Ball Bearings 694 604 624 ZrO2 Si3N4 SSiC 2

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
0%
4 stars
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3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

C
C*s
Anguilla Jan 10.2026
Helpful (68)
the precision of the custom sizing is impeccable—it fits perfectly into the pump’s mounting position. The slot and screw details are crafted with great precision, so we could install it directly without any extra adjustments, saving a ton of debugging time.
C
C*e
Germany Jan 3.2026
Helpful (30)
Will buy again.
C
C*e
Belize Jan 1.2026
Helpful (30)
No breakdowns—10/10!
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