Aerospace Bearings


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Part Product Name Style2 Inch/Metric Inner Diameter Outer Diameter Width Dynamic Capacity Inner Ring Width Outer Ring Width Bearing Material Ring Material Finish Enclosure Cage Material Fillet Radius Series Bore Size (in) Bore Size (mm) Dynamic Load Rating (lbf) Dynamic Load Rating (N) Industry Standards/Certifications Inside Ring Width (in) Inside Ring Width (mm) Item Name Material Outside Diameter (in) Outside Diameter (mm) Outside Ring Width (in) Outside Ring Width (mm) Static Load Rating (lbf) Static Load Rating (N) Weight (lb) Bore Shape Speed (Max) (rpm) Total Width (in) Total Width (mm) Weight (kg) Clearance Filling Slot Include Snap Ring Outside Ring Shape UPC Industry Focus
MKP20AFS428 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 1.25" 2.25" 0.5" 13800 lbf 0.5" 0.438" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.032" RBC® 1.25 31.75 13800 61400 SAE-AS27641 0.500 12.7 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 2.25 57.15 0.438 11.13 13800 61400 0.26 Round 500 0.5000 12.700 0.118 C0 Single Row Non-Fill Slot No Straight 637400584337 Airframe Control
MKP21BFS428 RBC Airframe Bearing - MKP B Series Ball Bearing Inch 1.3125" 2.0625" 0.437" 9840 lbf 0.437" 0.375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.024" RBC® 1.31 33.34 9840 43800 SAE-AS27642 0.437 11.1 RBC Airframe Bearing - MKP B Series 52100 Bearing Quality Steel 2.06 52.39 0.375 9.53 9840 43800 0.16 Round 500 0.437 11.1 0.073 C0 Single Row Non-Fill Slot No Straight 637400552930 Airframe Control
MKP21BFS464 RBC Airframe Bearing - MKP B Series Ball Bearing Inch 1.3125" 2.0625" 0.437" 9840 lbf 0.437" 0.375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.024" RBC® 1.31 33.34 9840 43800 SAE-AS27642 0.437 11.1 RBC Airframe Bearing - MKP B Series 52100 Bearing Quality Steel 2.06 52.39 0.375 9.53 9840 43800 0.16 Round 500 0.437 11.1 0.073 C0 Single Row Non-Fill Slot No Straight 637400552947 Airframe Control
MKP21BSFS428 RBC Airframe Bearing - MKP BS Series Ball Bearing Inch 1.3125" 2.25" 0.437" 9840 lbf 0.437" 0.375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.024" RBC® 1.31 33.34 9840 43800 SAE-AS27648 0.437 11.1 RBC Airframe Bearing - MKP BS Series 52100 Bearing Quality Steel 2.25 57.15 0.375 9.53 9840 43800 0.2 Round 500 0.437 11.1 0.091 C0 Single Row Non-Fill Slot No Straight 637400552961 Airframe Control
MKP21BSFS464 RBC Airframe Bearing - MKP BS Series Inch 1.3125" 2.25" 0.437" 9840 lbf 0.437" 0.375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.024" RBC® 1.31 33.34 9840 43800 SAE-AS27648 0.437 11.1 RBC Airframe Bearing - MKP BS Series 52100 Bearing Quality Steel 2.25 57.15 0.375 9.53 9840 43800 0.2 Round 500 0.437 11.1 0.091 C0 Single Row Non-Fill Slot No Straight 637400552978 Airframe Control
MKP3AFS428 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.19" 0.625" 0.297" 1560 lbf 0.297" 0.234" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.016" RBC® 0.19 4.83 1560 6950 SAE-AS27641 0.297 7.54 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.63 15.88 0.234 5.94 1560 6950 0.01 Round 500 0.297 7.54 0.005 C0 Single Row Non-Fill Slot No Straight 637400553081 Airframe Control
MKP3AFS464 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.19" 0.625" 0.297" 1560 lbf 0.297" 0.234" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.016" RBC® 0.19 4.83 1560 6950 SAE-AS27641 0.297 7.54 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.63 15.88 0.234 5.94 1560 6950 0.01 Round 500 0.297 7.54 0.005 C0 Single Row Non-Fill Slot No Straight 637400553098 Airframe Control
MKP3ALFS428 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.19" 0.5" 0.237" 970 lbf 0.237" 0.196" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.012" RBC® 0.19 4.83 970 4350 SAE-AS27641 0.237 6.02 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.50 12.70 0.196 4.98 970 4350 0.01 Round 500 0.237 6.02 0.005 C0 Single Row Non-Fill Slot No Straight 637400553111 Airframe Control
MKP3ALFS464 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.19" 0.5" 0.237" 970 lbf 0.237" 0.196" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.012" RBC® 0.19 4.83 970 4350 SAE-AS27641 0.237 6.02 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.50 12.70 0.196 4.98 970 4350 0.01 Round 500 0.237 6.02 0.005 C0 Single Row Non-Fill Slot No Straight 637400553128 Airframe Control
MKP4AFS428 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.25" 0.75" 0.281" 1880 lbf 0.281" 0.219" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.016" RBC® 0.25 6.35 1880 8400 SAE-AS27641 0.281 7.14 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.75 19.05 0.219 5.56 1880 8400 0.02 Round 500 0.281 7.14 0.009 C0 Single Row Non-Fill Slot No Straight 637400553241 Airframe Control
MKP4AFS464 RBC Airframe Bearing - MKP A Series Ball Bearing Inch 0.25" 0.75" 0.281" 1880 lbf 0.281" 0.219" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.016" RBC® 0.25 6.35 1880 8400 SAE-AS27641 0.281 7.14 RBC Airframe Bearing - MKP A Series 52100 Bearing Quality Steel 0.75 19.05 0.219 5.56 1880 8400 0.02 Round 500 0.281 7.14 0.009 C0 Single Row Non-Fill Slot No Straight 637400553258 Airframe Control
MKP4FS428 RBC Airframe Bearing - MKP Series Ball Bearing Inch 0.25" 0.9014" 0.484" 2680 lbf 0.484" 0.335" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Cadmium Double Sealed No Cage 0.032" RBC® 0.25 6.35 2680 12000 SAE-AS27640 0.484 12.29 RBC Airframe Bearing - MKP Series 52100 Bearing Quality Steel 0.90 22.90 0.335 8.51 2680 12000 0.04 Round 500 0.484 12.29 0.018 C0 Single Row Non-Fill Slot No Straight 637400553203 Airframe Control