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Sillicon Carbide Ceramic Bearings Metric Size

Engineered for extreme environments with ultra-high hardness, thermal conductivity, and chemical resistance. Perfect for semiconductor, aerospace, and high-temperature industrial applications in metric dimensions. 

InquiryPart NumberIDODWidthShield TypeDynamic LoadStatic LoadMax Speed(X1K rpm)Ring MaterialTemperature RangePrecisionClearanceRoHSREACH
693 2RS 3 mm 8 mm 4 mm Sealed 95 N 29 N 42 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR63 3 mm 6 mm 2 mm Open 36 N 12 N 49.7 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR63 2RS 3 mm 6 mm 2.5 mm Sealed 36 N 12 N 49.7 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR83 3 mm 8 mm 2.5 mm Open 67 N 23 N 42 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR83 2RS 3 mm 8 mm 3 mm Sealed 67 N 23 N 42 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR93 3 mm 9 mm 2.5 mm Open 97 N 30 N 39.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR93 2RS 3 mm 9 mm 4 mm Sealed 97 N 30 N 39.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
604 4 mm 12 mm 4 mm Open 163 N 56 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
604 2RS 4 mm 12 mm 4 mm Sealed 163 N 56 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
624 4 mm 13 mm 5 mm Open 221 N 78 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
624 2RS 4 mm 13 mm 5 mm Sealed 221 N 78 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
634 4 mm 16 mm 5 mm Open 228 N 84 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
634 2RS 4 mm 16 mm 5 mm Sealed 228 N 84 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
684 4 mm 9 mm 2.5 mm Open 109 N 36 N 37.1 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
684 2RS 4 mm 9 mm 4 mm Sealed 109 N 36 N 37.1 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
694 4 mm 11 mm 4 mm Open 163 N 56 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
694 2RS 4 mm 11 mm 4 mm Sealed 163 N 56 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR104 4 mm 10 mm 3 mm Open 121 N 44 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR104 2RS 4 mm 10 mm 4 mm Sealed 121 N 44 N 33.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR74 4 mm 7 mm 2 mm Open 53 N 18 N 42 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR74 2RS 4 mm 7 mm 2.5 mm Sealed 43 N 17 N 42 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR84 4 mm 8 mm 2 mm Open 67 N 23 N 39.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR84 2RS 4 mm 8 mm 3 mm Sealed 67 N 23 N 39.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
605 5 mm 14 mm 5 mm Open 226 N 81 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
605 2RS 5 mm 14 mm 5 mm Sealed 226 N 81 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
625 5 mm 16 mm 5 mm Open 294 N 108 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
625 2RS 5 mm 16 mm 5 mm Sealed 294 N 108 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
635 5 mm 19 mm 6 mm Open 397 N 143 N 22.4 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
635 2RS 5 mm 19 mm 6 mm Sealed 397 N 143 N 22.4 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
685 5 mm 11 mm 3 mm Open 122 N 45 N 31.5 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
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