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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
637 2RS 7 mm 26 mm 9 mm Sealed 776 N 317 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
687 7 mm 14 mm 3.5 mm Open 199 N 82 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
687 2RS 7 mm 14 mm 5 mm Sealed 199 N 82 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
697 7 mm 17 mm 5 mm Open 273 N 115 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
697 2RS 7 mm 17 mm 5 mm Sealed 273 N 115 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR117 7 mm 11 mm 2.5 mm Open 77 N 32 N 30.1 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR117 2RS 7 mm 11 mm 3 mm Sealed 77 N 32 N 30.1 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR137 7 mm 13 mm 3 mm Open 92 N 44 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR137 2RS 7 mm 13 mm 4 mm Sealed 92 N 44 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
608 8 mm 22 mm 7 mm Open 560 N 221 N 23.8 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
608 2RS 8 mm 22 mm 7 mm Sealed 560 N 221 N 23.8 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
628 8 mm 24 mm 8 mm Open 567 N 228 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
628 2RS 8 mm 24 mm 8 mm Sealed 567 N 228 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
638 8 mm 28 mm 9 mm Open 776 N 317 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
638 2RS 8 mm 28 mm 9 mm Sealed 776 N 317 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
688 8 mm 16 mm 4 mm Open 213 N 95 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
688 2RS 8 mm 16 mm 5 mm Sealed 213 N 95 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
698 8 mm 19 mm 6 mm Open 380 N 147 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
698 2RS 8 mm 19 mm 6 mm Sealed 380 N 147 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR128 8 mm 12 mm 2.5 mm Open 92 N 44 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR128 2RS 8 mm 12 mm 3.5 mm Sealed 92 N 44 N 28 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR148 8 mm 14 mm 3.5 mm Open 139 N 62 N 26.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
MR148 2RS 8 mm 14 mm 4 mm Sealed 139 N 62 N 26.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
609 9 mm 24 mm 7 mm Open 571 N 231 N 22.4 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
609 2RS 9 mm 24 mm 7 mm Sealed 571 N 231 N 22.4 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
629 9 mm 26 mm 8 mm Open 776 N 317 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
629 2RS 9 mm 26 mm 8 mm Sealed 776 N 317 N 19.6 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
639 9 mm 30 mm 10 mm Open 792 N 333 N 16.8 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
639 2RS 9 mm 30 mm 10 mm Sealed 792 N 333 N 16.8 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
679 9 mm 14 mm 3 mm Open 156 N 75 N 25.2 Silicon Carbide ﹣176 to 2192 °F ABEC-1 C0 Compliant Compliant
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