NA4904 Needle roller bearings

ba:34.131 mm; Da:140 mm; Initial grease fill:87.885 g; Pa:33.8 kN; J1:53.975 mm; h:31.75 mm; L:330.2 mm; Housing:FSAFS 216; H2:31.75 mm; H1:88.9 mm;

Fatigue load limit Pu:25 kN; ra max.:2 mm; Da max.:483 mm; H:60 mm; D:540 mm; d1 ≈:536 mm; Basic dynamic load rating C:238 kN; Limiting speed:1000 r/min; r1,2 min.:2.1 mm; D1 ≈:444 mm;

Basic Dynamic Radial Load Rating C:270000 N; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:305000 N; d:105.000 mm; Oil Speed Rating n2:3000 rpm; Grease Speed Rating n1:2600 rpm; B:72.00 mm; Fillet Radius ra:2.00 mm; D:190.0000 mm;

Permissible sliding velocity v max.:0.5 m/s; Specific static load factor K0:200 N/mm²; Tolerance shaft:h8; D:190 mm; Mass bushing:2.11 kg; Effective load carrying cross section A:33660 mm²; Specific dynamic load factor K:140 N/mm²; Permissible sliding velocity v min.:0 m/s; B:200 mm; d:170 mm;

Fatigue load limit Pu:25 kN; ra max.:2 mm; Da max.:483 mm; H:60 mm; D:540 mm; d1 ≈:536 mm; Basic dynamic load rating C:238 kN; Limiting speed:1000 r/min; r1,2 min.:2.1 mm; D1 ≈:444 mm;

Permissible sliding velocity v max.:0.5 m/s; Specific static load factor K0:200 N/mm²; Tolerance shaft:h8; D:190 mm; Mass bushing:2.11 kg; Effective load carrying cross section A:33660 mm²; Specific dynamic load factor K:140 N/mm²; Permissible sliding velocity v min.:0 m/s; B:200 mm; d:170 mm;

Basic Dynamic Radial Load Rating C:307000 N; Basic Static Radial Load Rating Co:400000 N; Fillet Radius rb:1.00 mm; Fillet Radius ra:3.00 mm; B:104.00 mm; Oil Speed Rating n2:3000 rpm; Grease Speed Rating n1:2600 rpm; D:210.0000 mm; d:85.000 mm;

B:6.00 mm; Sealed Speed Rating n3:18000 rpm; Oil Speed Rating Open/Shielded n2:36000 rpm; D:24.0000 mm; Fillet Radius ra:0.30 mm; Grease Speed Rating Open/Shielded n1:30000 rpm; Accessories:Two Shields; Basic Dynamic Radial Load Rating C:2910 N; d:12.000 mm; Basic Static Radial Load Rating Co:1500 N;

Appropriate attachment bolt size G:1 in; Ca:102.794 mm; Labyrinth ring:2 x LOR 147; Cap bolt:4 x 3/4-10 UNC; Max. speed for PosiTrac Plus seal:875 r/min; Cap bolt recommended tightening torque:203.4 N·m; R1:104.775 mm; A2:222.25 mm; L:558.8 mm; End plug (suffix Y):EPR 19;

Basic dynamic load rating C:426 kN; Da max.:149.5 mm; 2B:70 mm; Limiting speed:3800 r/min; K:7.5 mm; Calculation factor Y1:1.5; Calculation factor Y0:1.4; Ca min.:6 mm; Reference speed:2600 r/min; Calculation factor e:0.44;

Basic Dynamic Radial Load Rating C:270000 N; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:305000 N; d:105.000 mm; Oil Speed Rating n2:3000 rpm; Grease Speed Rating n1:2600 rpm; B:72.00 mm; Fillet Radius ra:2.00 mm; D:190.0000 mm;

Taconite seal (dc shaft position):TER 134; H2:63.5 mm; h:50.8 mm; Pa:62.3 kN; Max. speed for Taconite seal:460 r/min; Appropriate attachment bolt size G:1 in; A1:158.75 mm; Taconite seal (db shaft position):TER 151; db:168.275 mm; J max.:463.55 mm;

Basic dynamic load rating C:426 kN; Da max.:149.5 mm; 2B:70 mm; Limiting speed:3800 r/min; K:7.5 mm; Calculation factor Y1:1.5; Calculation factor Y0:1.4; Ca min.:6 mm; Reference speed:2600 r/min; Calculation factor e:0.44;

Basic Dynamic Radial Load Rating C:270000 N; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:305000 N; d:105.000 mm; Oil Speed Rating n2:3000 rpm; Grease Speed Rating n1:2600 rpm; B:72.00 mm; Fillet Radius ra:2.00 mm; D:190.0000 mm;

Da max.:480 mm; s max.:5.6 mm; Calculation factor kr:0.23; Axial load factor Y:0.6; ra max.:4 mm; r1,2 min.:5 mm; Limiting value e:0.2; d:240 mm; Reference speed:1300 r/min; F:310 mm;