Bearings for Oil Production & Drilling National ZB-26250

N1:23.813 mm; Mass pillow block:30.8 kg; Cap bolt recommended tightening torque:149.1 N·m; S:4.763 mm; J max.:295.275 mm; da:82.55 mm; Labyrinth ring:2 x LOR 187; P120°:53.4 kN; PG:1/8 NPT; Pa:10.9 kN;

Da:140 mm; J min.:244.475 mm; RG:3/8 NPT; Initial grease fill:175.77 g; Housing:FSAF 613; P60°:60.5 kN; PG:1/8 NPT; A2:134.938 mm; Labyrinth ring:2 x LOR 33; J1:53.975 mm;

ra max.:0.3 mm; Basic static load rating C0:30 kN; Preload:650 N; d2:22.7 mm; J:42 mm; H:25 mm; Fatigue load limit Pu:1.1 kN; N:6.8 mm; D2:32.1 mm; Basic dynamic load rating C:19.6 kN;

H:287.337 mm; Appropriate attachment bolt size G:0.875 in; da:98.425 mm; ba:48.419 mm; R1:79.375 mm; J min.:371.475 mm; Adapter sleeve assembly:SNW 22x3.7/8; P90°:113 kN; Da:240 mm; RG:1/2 NPT;

L:135 mm; Thread length G1:23.5 mm; A:54 mm; Fatigue load limit Pu:0.98 kN; Thread size attachement end G:M16; Basic static load rating C0:23.2 kN; s1:32.6 mm; H1:57.2 mm; H:115 mm; J:101.6 mm;

Da:140 mm; J min.:244.475 mm; RG:3/8 NPT; Initial grease fill:175.77 g; Housing:FSAF 613; P60°:60.5 kN; PG:1/8 NPT; A2:134.938 mm; Labyrinth ring:2 x LOR 33; J1:53.975 mm;

a:5 mm; Coefficient of friction µ max.:0.15; h:172 mm; Coefficient of friction µ min.:0.08; Permissible sliding velocity v min.:0 m/s; Permissible sliding velocity v max.:0.5 m/s; α:124 °; d:170 mm; Mass bushing:4.95 kg; D:190 mm;

Oil Speed Rating n2:7600 rpm; Grease Speed Rating n1:5800 rpm; Basic Dynamic Radial Load Rating C:49400 N; Basic Static Radial Load Rating Co:46500 N; Fillet Radius rb:0.60 mm; Fillet Radius ra:1.00 mm; d:45.000 mm; D:85.0000 mm; B:38.00 mm;

H:287.337 mm; Appropriate attachment bolt size G:0.875 in; da:98.425 mm; ba:48.419 mm; R1:79.375 mm; J min.:371.475 mm; Adapter sleeve assembly:SNW 22x3.7/8; P90°:113 kN; Da:240 mm; RG:1/2 NPT;

d:50.000 mm; Fillet Radius ra:1.00 mm; Sealed Speed Rating n3:4800 rpm; Basic Static Radial Load Rating Co:23200 N; B:30.16 mm; Oil Speed Rating Open/Shielded n2:8500 rpm; Basic Dynamic Radial Load Rating C:35100 N; D:90.0000 mm; Accessories:Removable Metal Shie; Grease Speed Rating Open/Shielded n1:7000 rpm;

J:870 mm; N1:42 mm; Ca:234 mm; Appropriate attachment bolt, size G:36 mm; bc:208.5 mm; db:370 mm; ba min.:189 mm; Initial grease fill, 20%:6.3 kg; ba max.:203 mm; H:715 mm;

Da max.:620 mm; Fatigue load limit Pu:6100 kN; K:9 mm; d1 ≈:541 mm; Da min.:611 mm; ra max.:3.5 mm; d:487.98 mm; Basic static load rating C0:7600 kN; r3,4 min.:4 mm; Reference speed:670 r/min;

Mass bearing:0.35 kg; Fatigue load limit Pu:0.67 kN; B:19 mm; d2 ≈:41.194 mm; Basic dynamic load rating C:29.6 kN; Da max.:65 mm; Calculation factor f0:13.1; Calculation factor kr:0.03; da max.:40.8 mm; D2 ≈:63.15 mm;

Preload class B GB:300 N; Da max.:89 mm; Preload class A GA:150 N; r1,2 min.:1.1 mm; Preload class D GD:1200 N; Static axial stiffness, preload class B:105 N/µm; a:19.4 mm; Attainable speed for grease lubrication:17000 r/min; r3,4 min.:0.6 mm; d1:70.8 mm;