S681X-2RS, S681X-ZZ Stainless Steel Bearing

S681X-2RS, S681X-ZZ Stainless Steel Bearing include three kinds of stainless steel materials. They are 440c stainless steel, 304 stainless steel and 316L stainless steel.

Among them, 440c stainless steel have the strongest hardness, and this type of stainless steel bearing has the best mechanical properties. 304 stainless steel has good corrosion resistance and very little magnetic properties. 316L stainless steel has best corrosion resistance and is almost nonmagnetic. Please go to this page to learn more about material properties.

 

TECHNICAL SPECS

 

Material 440C Stainless Steel Bearings 304 Stainless Steel Bearings 316L Stainless Steel Bearings
Bore Dia (d)
1.5 mm
Outer Dia (D)
4 mm
Width (B)
2 mm
Closures Rubber Seals(2RS), Metal Shielded(ZZ) and Open type are available
Lubrication Grease, Oil, Dry are available
Highest temperature 300 Degrees F 400 Degrees F 400 Degrees F
Magnetic little no no
Hardness 58HRC 30HRC 30HRC
Corrosion Resistance
General
Better
Best
Clearance
CO, C2 and C3 are available.
Grades
ABEC Grades 1, 3, 5, 7, and 9 are available.
Dynamic Load Rating (Cr) (Newtons) 955757
Static Load Rating (Cor) (Newtons) 2615.615.6
Max Speed (X1000 RPM) 1207272
Ball Qty 7
Ball Dia (Dw) 0.6
Weight (g) 0.14
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