624 Hybrid ceramic ball bearings 4X13X5mm

Model: 6 2 4
Place of Origin: Zhejiang,China (Mainland)
Brand Name: RNB OR NATURAL
Number of row: Single row
Type: Ball bearings
Material of race: Ceramic
Material of ball: Ceramic
Precision: P6

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Product Description

Payment & Shipping Terms Supply Capacity
Payment Terms:L/C, T/T, WUProduction Capacity:10000 Piece/Pieces per...
Min. Order:1000 Piece/PiecesPacking:RNB OR NATURAL
Means of Transport:Ocean, AirDelivery Date:30 days

Ceramic bearings, stainless steel bearings, hybrid bearings

Demension: 4X13X5mm

Full ceramic (All -ceramic) bearing of ZrO2 material

Full ceramic bearing have excellence performance as special electrical and magnetism resistance, wear and 

corrosion resistance, lubrication and maintenance free when working, especially high and low-temperature 

application,etc.Could be used in awful environment and specially condition. The rings and balls made by 

full ceramic material: ZrO2, as a standard constructure, the cage made by PTFE, generally we also could 

make the cage with GRPA66-25, PEEK, PI, AISI SUS304,SUS316,Cu,etc.

Full ceramic (All -ceramic) bearing of Si3N4 material


Full ceramic bearing made with Si3N4 have some better performance than ZrO2, the rings and balls made by 

full ceramic material: Si3N4, as a standard constructure, the cage made by PTFE,generally we also could 

make the cage with GFRPA66-25, PEEK, PI, phonemic textiles tube, etc. Compares than the material of ZrO2. 

The SiN4 ceramics bearings could endure heavier load and could be used in higher temperature environment. 

Also we could offer precision ceramic bearing which generally used in high-speed and high-rigidity spindle, 

the manufactured clearance could be P4 to up grade.

Full ceramic (All-ceramic) bearings fo full complement balls

Full ceramic bearing of full complement balls has an add-ball gap on its side. Because using no cage 

design, the bearing able to install more ceramic balls than the standard construction, so the heavier 

radial load ability increased more.resistance and high temperature application. This series of bearing is 

not for high speed choice, it should be to install on the unforced.

Full ceramic (All-ceramic) bearing of ceramic cage


Ceramic cage has excellence performance as wear and corrosion resistance, high strength, lubrication and 

maintenance free when working. Adopting the ceramic cage, ceramic bearing can be used in the most 

inclemency environments as corrosive,low temperature, high vacuum. The normal used ceramic materials with 

ZrO2.

Hybrid construction ceramic ball bearing


Ceramic ball especially Si3N4 have the following performance as low density, high strength, low friction 

coefficient, electrical and magnetism resistance, wear resistance, well rigidity, lubrication and 

maintenance free when working, it is the best choice for rollers(inner ring and outer ring are made by 

metal) of the hybird construction ceramic ball bearing which are used in high-speed,high accuracy and long 

life environments. Normally, GCr15 or AISI44C, 316 ,304 makes inner ring and outer ring; The ceramic ball 

can adopt ZrO2, Si3N4 or Sic.

Stainless bearings


The high performance stainless steel bearings can provides not only with the cleanliness and corrosion 

resistance characteristic also with the high accuracy and excellent wear resistance compare to the high 

carbon chrome steel bearings. The rings and balls are made of the material as a standard structure of 

stainless steel bearing. The rings and balls are made of the material AISI440C(9Cr18Mo or 9Cr18), the cage 

and the framework of seal adoption the AI304 or AI316, production accuracy couldreach ISO standard ABEC-1 

and above, and the vibration level reach Z1 grade and above.

We also can offer non-standard stainless steel bearings to meet some special type needs in engineering. 

Compare to high carbon chrome martensite stainless steel bearing. Austenite stainless steel bearings have 

even more excellent corrosion and wear resistance, magnetism resistance. The whole Austenite stainless 

steel bearings are made of AISI SUS316L(316) or SUS304(including inside and outside rings, balls and cage). 

Austenite stainless steel bearings can not harden completely by heat treatment, so it should not choose for

 heaver load or higher speed.

RNBShape Dimension(mm)basic Load Rating(KN)Max Speed(rpm)Weight
BoreOuter DiameterWidthRadiusDynamicStaticGreaseOil
Bearing NO.dDBr minKg
mminchmminchmminchmminchCrCor
62330.1181100.393740.15750.150.00590.50.215638000480000.0015
62440.1575130.511850.19680.20.00791.150.436000450000.0032
62550.1968160.629950.19680.30.01181.880.6832000400000.0048
62660.2362190.74860.23620.30.01182.81.0528000360000.0075
62770.2756220.866170.27560.30.01183.281.3526000340000.012
62880.3149240.944880.31490.30.01183.351.424000320000.017
62990.3543261.023680.31490.30.01184.451.9522000300000.019
6200100.3937301.181190.35430.60.02365.12.3819000260000.028
6201120.4724321.2598100.39370.60.02366.823.0518000240000.034
6202150.5906351.378110.43310.60.02367.653.7217000220000.043
6203170.6693401.5748120.47240.60.02369.584.4716000200000.062
6204200.7874471.8504140.551210.03949.886.214000180000.102
6205250.9843522.0472150.590610.039410.786.9812000160000.12
6206301.1811622.4409160.629910.039414.9710.049500130000.19
6207351.378722.83461766931.10.043319.7513.678500110000.27
6208401.5748803.1496180.70861.10.043322.7115.948000100000.37
6209451.7717853.3465190.7481.10.043324.3617.71700090000.38
6210501.9685903.5433200.78741.10.043326.9819.84670085000.45
6211552.16531003.937210.82681.50.059133.3725.11600075000.603
6212602.36221104.3307220.88611.50.059136.7427.97560070000.789
6213652.5591204.7244230.90561.50.059144.0134.18500063000.99
6214702.75591254.9212240.94491.50.059146.7937.59480060001.084
6215752.95281305.1181250.98431.50.059150.8541.26450056001.171
6216803.14961405.5118261.023620.078855.0445.09430053001.448
6217853.34641505.9055281.102420.078864.0153.28400050001.803
6218903.54331606.2992301.181120.078873.8360.76380048002.17


Category: Ceramic Bearing