260 mm x 480 mm x 90 mm ISB QJ 1252 angular contact ball bearingsCross reference
| Samples | Free on Discussion | Leading Time | 50 Days | Production Standards | According to Approved Drawings |
| Trademark | DongChuan | Specification | to customer requirements | Origin | Jiangsu Changzhou, China |
| HS Code | 7315890000 |
| Basic static load rating C0 | 6.55 kN |
| Housing | FYWK 504 Y |
| A | 30 mm |
| L | 86 mm |
| N | 12.3 mm |
| Db | 59 mm |
| Recommended tightening torque for grub screw | 4 N·m |
| Basic dynamic load rating C | 10.8 kN |
| Mass bearing unit | 0.3 kg |
| J | 63.5 mm |
ISB QJ 1252 angular contact ball bearings Specifications
Mass angle ring:2.15 kg; B1:15 mm; B2:31 mm; d:140 mm; d1 ≈:195.6 mm; r3,4 min.:4 mm;
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Db max.:533 mm; Basic static load rating C0:1460 kN; Calculation factor Y:0.6; Calculation factor kr:0.1; Calculation factor e:0.2; Da max.:529 mm; D:540 mm; d:440 mm; Basic dynamic load rating C:671 kN; E:516 mm;
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r1,2 min.:5 mm; Basic static load rating C0:5300 kN; Limiting speed:1400 r/min; Basic dynamic load rating C:2860 kN; ra max.:4 mm; D:500 mm; F:351 mm; b:16.7 mm; Calculation factor kr:0.32; D1 ≈:442 mm;
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Grease Speed Rating n1:960 rpm; B:184.00 mm; Basic Static Radial Load Rating Co:2400000 N; Basic Dynamic Radial Load Rating C:1050000 N; d:320.000 mm; Fillet Radius ra:4.00 mm; Fillet Radius rb:1.50 mm; Oil Speed Rating n2:1200 rpm; D:580.0000 mm;
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D:150.0000 mm; d:60.000 mm; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:203000 N; Grease Speed Rating n1:3300 rpm; Fillet Radius ra:2.00 mm; B:70.00 mm; Basic Static Radial Load Rating Co:190000 N; Oil Speed Rating n2:4200 rpm;
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B:11.00 mm; Basic Static Radial Load Rating Co:4250 N; Fillet Radius ra:0.64 mm; d:15.000 mm; Basic Dynamic Radial Load Rating C:8840 N; Fillet Radius rb:0.30 mm; D:35.0000 mm; Oil Speed Rating n2:24000 rpm; Grease Speed Rating n1:17000 rpm;
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r, r1,2 min.:1 mm; Mass inner ring:0.12 kg; d:45 mm; F:55 mm; B:20 mm;
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Basic Static Radial Load Rating 15º Co1:455000 N; Width Plain C2:296000 N; Oil Speed Rating n2:2600 rpm; d:130.000 mm; B:116.00 mm; Shielded or Sealed Co2:345000 N; Basic Dynamic Radial Load Rating 40º C1:345000 N; D:280.0000 mm; Fillet Radius rb:1.00 mm; Fillet Radius ra:3.00 mm;
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Basic Dynamic Radial Load Rating C:52300 N; Grease Speed Rating n1:5600 rpm; Oil Speed Rating n2:7500 rpm; Basic Static Radial Load Rating Co:48000 N; B:38.10 mm; D:80.0000 mm; Sealed Speed Rating n3:5600 rpm; d:35.000 mm; Fillet Radius ra:1.50 mm; Accessories:Two Shields & Snap-R;
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M:15 mm; Hexagonal head bolt:M 12x25; M3:14 mm; Mass locking clip:0.067 kg; M2:28 mm; Spring washer in accordance with DIN 128:A 12; B:32 mm; M1:5 mm;
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d:36.512 mm; N:21.5 mm; J min.:119 mm; J:126 mm; Fatigue load limit Pu:0.655 kN; A1:27 mm; H2:19 mm; B:42.9 mm; Recommended tightening torque for grub screw:6.5 N·m; Basic dynamic load rating C:21.6 kN;
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B:20 mm; Tolerance housing:H7; Permissible sliding velocity v min.:0.25 m/s; d:14 mm; Tolerance shaft:h8; Coefficient of friction µ max.:0.1; D:20 mm; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ min.:0.05; Specific static load factor K0:20 N/mm²;
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Ca min.:4 mm; Basic static load rating C0:186 kN; da max.:80 mm; Fatigue load limit Pu:21.6 kN; db min.:83.5 mm; Calculation factor e:0.37; D:120 mm; a:25.606 mm; Da max.:110.5 mm; Mass bearing:1.33 kg;
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Grease Speed Rating n1:3800 rpm; B:36.50 mm; d:60.000 mm; Basic Dynamic Radial Load Rating C:78100 N; Sealed Speed Rating n3:3800 rpm; Fillet Radius ra:1.50 mm; Oil Speed Rating n2:5000 rpm; Accessories:Shield & Seal & Snap; D:110.0000 mm; Basic Static Radial Load Rating Co:88000 N;
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D:51 mm; Coefficient of friction µ max.:0.1; d:45 mm; Mass bushing:0.098 kg; Specific static load factor K0:20 N/mm²; Tolerance housing:H7; Permissible sliding velocity v min.:0.25 m/s; Permissible sliding velocity v max.:5 m/s; Specific dynamic load factor K:10 N/mm²; Coefficient of
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| interchange 260 mm x 480 mm x 90 mm ISB QJ 1252 angular contact ball bearings guide |
| | T | D | B | b | h | a | m |
| K81252-M | GS81252 / Allocated housing locating washer | - | 360 | - | - | - | - | 10,8 kg / Weight |
| 51252 | - | 79 mm | 355 mm | - | - | - | - | - |
| 51252M | - | - | 360 mm | - | - | - | - | - |
| 51252X | - | 79 mm | 360 mm | - | - | - | - | - |
| QJ 1252 | - | - | 480 mm | 90 mm | - | - | 370 mm | - |
| QJ 1252 MA | - | - | 480 mm | 90 mm | - | - | 370 mm | - |
| CR-1252L | - | 27 mm | 95 mm | 26 mm | - | - | - | - |
| QJ 1252 MA/C3 | - | - | 18.898 Inch | 480 Millimeter | 3.543 Inch | 90 Millimeter | - | - | - | - |
| QJ 1252 MA/344524 | - | - | 18.898 Inch | 480 Millimeter | 3.543 Inch | 90 Millimeter | - | - | - | - |
| QJ 1252 N2MA | - | - | 480 mm | 90 mm | 15 mm | 12.5 mm | 370 mm | - |
English
70 mm x 125 mm x 24 mm FAG B7214-E-T-P4S angular contact ball bearings