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Silicon Nitride Ceramic Bearings Metric Size

Precision-engineered for high-speed, high-load applications with superior thermal shock resistance. Ideal for aerospace, industrial, and automotive systems requiring metric dimensions and unmatched durability.

InquiryPart NumberIDODWidthShield TypeDynamic LoadStatic LoadMax Speed(X1K rpm)Ring MaterialTemperature RangePrecisionClearanceRoHSREACH
MR128 8 mm 12 mm 2.5 mm Open 116 N 55 N 32 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
698 2RS 8 mm 19 mm 6 mm Sealed 476 N 184 N 28.8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
698 8 mm 19 mm 6 mm Open 476 N 184 N 28.8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
688 2RS 8 mm 16 mm 5 mm Sealed 266 N 118 N 28.8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
688 8 mm 16 mm 4 mm Open 266 N 118 N 28.8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
638 2RS 8 mm 28 mm 9 mm Sealed 970 N 396 N 22.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
638 8 mm 28 mm 9 mm Open 970 N 396 N 22.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
628 2RS 8 mm 24 mm 8 mm Sealed 708 N 284 N 22.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
628 8 mm 24 mm 8 mm Open 708 N 284 N 22.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
608 2RS 8 mm 22 mm 7 mm Sealed 700 N 276 N 27.2 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
16009 45 mm 75 mm 10 mm Open 3900 N 3050 N 5.52 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6908 40 mm 62 mm 12 mm Open 3425 N 2480 N 9 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6908 2RS 40 mm 62 mm 12 mm Sealed 3425 N 2480 N 9 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6808 2RS 40 mm 52 mm 7 mm Sealed 1232 N 1045 N 10 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6808 40 mm 52 mm 7 mm Open 1232 N 1045 N 10 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6708 2RS 40 mm 50 mm 6 mm Sealed 628 N 558 N 3 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6708 40 mm 50 mm 6 mm Open 628 N 558 N 3 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6408 40 mm 110 mm 27 mm Open 15925 N 9125 N 5.36 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6308 2RS 40 mm 90 mm 23 mm Sealed 10175 N 6000 N 6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6308 40 mm 90 mm 23 mm Open 10175 N 6000 N 6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
63008 2RS 40 mm 68 mm 21 mm Sealed 4200 N 2900 N 9.6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
62308 2RS 40 mm 90 mm 33 mm Sealed 10250 N 6000 N 8.800000000000001 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
62208 2RS 40 mm 80 mm 23 mm Sealed 7675 N 4750 N 8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6208 2RS 40 mm 80 mm 18 mm Sealed 7275 N 4450 N 6.64 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6208 40 mm 80 mm 18 mm Open 7275 N 4450 N 6.64 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6008 2RS 40 mm 68 mm 15 mm Sealed 4175 N 2875 N 8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6008 40 mm 68 mm 15 mm Open 4175 N 2875 N 8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
16008 40 mm 68 mm 9 mm Open 3150 N 2425 N 5.92 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6907 2RS 35 mm 55 mm 10 mm Sealed 2725 N 1938 N 10 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6907 35 mm 55 mm 10 mm Open 2725 N 1938 N 10 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
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