RTR Bearing Company Slewing Ring Turntable Bearing

RTR Bearing CompanyThree-row cylindrical roller slewing ring bearing µmDpmTolerance classG E DmmAxialClearanceRadialClearanceAxialClearanceRadialClearanceAxialClearanceRadialClearancemin man min max min max min max min max min max min max280 450 30 90 50 130 25 70 30 90 10 50 25 70450 710 40 120 70 170 30 90 40 120 15 65 30 90710 1120 50 150 100 220 40 120 50 150 20 80 40 1201120 1800 60 180 100 260 40 140 60 180 20 100 40 1401800 2800 80 240 150 350 60 180 80 240 30 130 60 1802800 4500 100 300 200 440 80 240 100 300 40 160 80 2405, Heat treatmentInner and outer ringCase hardened should to reach HRC55-62, depth should be follow the below table.Ring and Race available hardened depth mmDw ≤30 >30~40 >40~50 >50Ds ≥3.0 ≥3.5 ≥4.0 ≥5.0PS: Ds is the case depth when hardness reach 48 HRC and above.DSGear available hardened depth mmm ≤6 >6~12 >12~18 >18~25Gear face ≥1.2 ≥2.2 ≥3.2 ≥4.0Gear root ≥0.6 ≥1.2 ≥1.5 ≥2.0www.rtr-bearing.com 6