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Silicon Nitride Ceramic Bearings Inch Size

Premium-grade bearings offering exceptional strength, thermal stability, and corrosion resistance in inch dimensions. Perfect for high-speed turbines, precision machinery, and extreme-environment applications where steel fails.

InquiryPart NumberIDODWidthShield TypeDynamic LoadStatic LoadMax Speed(X1K rpm)Ring MaterialTemperature RangePrecisionClearanceRoHSREACH
MR93 3 mm 9 mm 2.5 mm Open 146 N 45 N 39.2 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR83 2RS 3 mm 8 mm 3 mm Sealed 101 N 34 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR83 3 mm 8 mm 2.5 mm Open 101 N 34 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR63 2RS 3 mm 6 mm 2.5 mm Sealed 53 N 18 N 49.7 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR63 3 mm 6 mm 2 mm Open 53 N 18 N 49.7 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
693 2RS 3 mm 8 mm 4 mm Sealed 142 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
693 3 mm 8 mm 3 mm Open 142 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
683 2RS 3 mm 7 mm 3 mm Sealed 79 N 27 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
683 3 mm 7 mm 2 mm Open 79 N 27 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
633 2RS 3 mm 13 mm 5 mm Sealed 332 N 117 N 28 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
633 3 mm 13 mm 5 mm Open 332 N 117 N 28 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
623 2RS 3 mm 10 mm 4 mm Sealed 161 N 52 N 35 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
623 3 mm 10 mm 4 mm Open 161 N 52 N 35 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
603 2RS 3 mm 9 mm 5 mm Sealed 69 N 45 N 39.2 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
603 3 mm 9 mm 3 mm Open 69 N 45 N 39.2 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR82x 2RS 2.5 mm 8 mm 2.5 mm Sealed 142 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR82x 2.5 mm 8 mm 2.5 mm Open 142 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
692x 2RS 2.5 mm 7 mm 3.5 mm Sealed 98 N 31 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
692x 2.5 mm 7 mm 2.5 mm Open 98 N 31 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
682x 2RS 2.5 mm 6 mm 2.6 mm Sealed 53 N 18 N 49.7 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
682x 2.5 mm 6 mm 1.8 mm Open 53 N 18 N 49.7 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
602x 2RS 2.5 mm 8 mm 4 mm Sealed 141 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
602x 2.5 mm 8 mm 2.8 mm Open 141 N 43 N 42 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR72 2RS 2 mm 7 mm 3 mm Sealed 98 N 31 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR72 2 mm 7 mm 2.5 mm Open 98 N 31 N 44.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR62 2RS 2 mm 6 mm 2.5 mm Sealed 84 N 24 N 52.5 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR62 2 mm 6 mm 2.5 mm Open 84 N 24 N 52.5 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR52 2RS 2 mm 5 mm 2.5 mm Sealed 43 N 12 N 59.5 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
MR52 2 mm 5 mm 2 mm Open 43 N 12 N 59.5 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
692 2RS 2 mm 6 mm 3 mm Sealed 84 N 24 N 52.5 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
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