Excavator Hitachi Zx70 Swing Bearing, Slewing Ring, Slewing BearingCode system
| Material | 50mn | O.D | 806mm | I.D | 594mm |
| Total Height | 75mm | Height of Outer Ring | 60mm | Height of Inner Ring | 61mm |
| Teeth No. | 76 | Hardness | 56-62 Hr | Trademark | LDB |
| Transport Package | Wooden Case | Specification | ISO | Origin | China |
| HS Code | 8482109000 |
| Bearing (basic designation) | 23224 K |
| Housing | SNL 524-620 RU |
| A2 | 203 mm |
| Pa | 260 kN |
| Q180° | 310 kN |
| Appropriate attachment bolt, rec. tightening torque | 665 N·m |
| End cover | ASNH 524-620 R |
| Oil seal | 2 x TSN 524 U |
| Mass housing | 26.2 kg |
| N1 | 26 mm |
Excavator Hitachi Zx70 Swing Bearing, Slewing Ring, Slewing Bearing Size Chart - All Band Slewing Bearing Racing
ba max.:43 mm; L:205 mm; N1:15 mm; Limiting speed:1750 r/min; ba min.:34 mm; A3:52 mm; da:45 mm; Mass bearing unit:4 kg; B:65 mm; P150°:100 kN;
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db min.:86 mm; da max.:81 mm; B:24 mm; Limiting speed:8000 r/min; d:70 mm; Calculation factor kr:0.15; Fatigue load limit Pu:18 kN; Mass bearing:1.11 kg; D1 ≈:109 mm; F:83.5 mm;
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N:11 mm; Basic dynamic load rating C:122 kN; Attainable speed:2800 r/min; Preload:6750 N; Angle between holes in outer ring (Pitch) α:30 °; Static axial stiffnes:1480 N/µm; Angle between bolts and thread holes α/2:15 °; a:163 mm; Required attachment bolt size (DIN 912):M10; J:113 mm;
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r1 max.:0.8 mm; r2 max.:1 mm; Lw:17.8 mm; Dw:6 mm; Mass needle roller:3.95 g; r1,2 min.:0.3 mm;
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D:105 mm; Static axial stiffness, preload class B:228 N/µm; Calculation factor f:1.16; Fatigue load limit Pu:0.68 kN; Basic dynamic load rating C:21.2 kN; Static axial stiffness, preload class C:299 N/µm; Calculation factor f1:0.98; Calculation factor (back-to-back, face-to-face) X2:0.67
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C1:59.2 mm; da min.:96 mm; das:106 mm; D3:137 mm; r3,4 min.:0.6 mm; Snap ring in accordance with DIN 471:140x4; D:140 mm; d:90 mm; r min.:1.5 mm; d1 ≈:109.5 mm;
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h:40.922 mm; N1:24.209 mm; P90°:107 kN; Eye bolt:2 x 3/8-16 UNC; PG:1/4 NPT; Cap bolt, SAE grade:8; P180°:72.5 kN; End plug (suffix Y):EPR 15; L:419.1 mm; RG:3/8 NPT;
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Initial grease fill:181.44 g; Labyrinth ring (db shaft position):LOR 118; R1:65.088 mm; Lock nut:AN 20; Lock washer:W 20; P180°:42.3 kN; ba:52.388 mm; P90°:62.3 kN; Da:180 mm; H1:114.3 mm;
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Hydraulic nut:HMV 34 E; Lock nut:KMFE 34; d:170 mm; B:33 mm; Mass adapter sleeve assembly:5.9 kg; d3:220 mm; d1:150 mm; G:M 170x3; B1:101 mm;
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Bearing (basic designation):23224 K; Housing:SNL 524-620 RU; A2:203 mm; Pa:260 kN; Q180°:310 kN; Appropriate attachment bolt, rec. tightening torque:665 N·m; End cover:ASNH 524-620 R; Oil seal:2 x TSN 524 U; Mass housing:26.2 kg; N1:26 mm;
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Shielded or Sealed B1:4.4 mm; Basic Dynamic Radial Load Rating C:312 N; Oil Speed Rating Open/Shielded n2:91000 rpm; Sealed Speed Rating n3:52000 rpm; Outside Diameter D1:12.7000 mm; Basic Static Radial Load Rating Co:120 N; Width Plain B:4.4 mm; Bore d:3.200 mm; Accessories:Two Shields; Fillet Radi
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P60°:54.3 kN; PosiTrac Plus contact element:2 x B10724-37; Cap bolt:2 x 1/2-13 UNC; Initial grease fill:136.08 g; ba:30.163 mm; Cap bolt, SAE grade:5; P180°:22.2 kN; A2:118.666 mm; Ca:37.008 mm; J min.:219.075 mm;
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Outside Diameter D1:190.0000 mm; Accessories:One Shield; Width B:32.00 mm; Bore d:120.000 mm; Oil Speed Rating Open/Shielded n2:3100 rpm; Basic Dynamic Radial Load Rating C:123000 N; Basic Static Radial Load Rating Co:146000 N; Grease Speed Rating Open/Shielded n1:2500 rpm; Fillet Radius ra:2.00 mm;
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Basic Static Radial Load Rating Co:40500 N; Outside Diameter D1:180.0000 mm; Bore d:100.000 mm; Width B:46.00 mm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:97500 N; Oil Speed Rating n2:3800 rpm; Grease Speed Rating n1:3200 rpm;
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English
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