K25X31X21H KOYO Needle roller bearing

D:170 mm; B:80 mm; C1:70.2 mm; das:128 mm; ra max.:1.5 mm; b:4.2 mm; r min.:1.8 mm;   +:0.2 mm; C:79 mm; Ca2:62 mm;

Tolerance shaft:h8; Mass bushing:0.023 kg; D:18 mm; B:25 mm; Permissible sliding velocity v min.:0.25 m/s; Coefficient of friction µ min.:0.05; d:12 mm; Coefficient of friction µ max.:0.1; Permissible sliding velocity v max.:5 m/s; Tolerance housing:H7;

Db max.:106 mm; Static axial stiffness, preload class C:173 N/µm; Calculation factor f0:15.5; Calculation factor f:1.12; a:22.1 mm; d2:82.3 mm; Static axial stiffness, preload class B:123 N/µm; Reference grease quantity Gref:8.1 cm³; Calculation factor f1:1; Static axial stiffness, preload class A:90 N/µm;

Appropriate attachment bolt size G:1.5 in; Bearing limiting speed:2000 r/min; L:831.85 mm; J1:133.35 mm; P60°:691 kN; Da:399.999 mm; Cap bolt:1 1/2-6 UNC; Cap bolt, SAE grade:8; R2:46.831 mm; Initial grease fill:2749.95 g;

Basic Static Radial Load Rating Co:156000 N; Basic Dynamic Radial Load Rating C:153000 N; Oil Speed Rating n2:5000 rpm; Fillet Radius rb:1.00 mm; Fillet Radius ra:2.00 mm; D:130.0000 mm; Grease Speed Rating n1:4200 rpm; d:50.000 mm; B:62.00 mm;

Db max.:106 mm; Static axial stiffness, preload class C:173 N/µm; Calculation factor f0:15.5; Calculation factor f:1.12; a:22.1 mm; d2:82.3 mm; Static axial stiffness, preload class B:123 N/µm; Reference grease quantity Gref:8.1 cm³; Calculation factor f1:1; Static axial stiffness, preload class A:90 N/µm;

A2:173.037 mm; da:88.9 mm; Cap bolt, SAE grade:8; RG:3/8 NPT; P120°:44.5 kN; Appropriate attachment bolt size G:0.75 in; Initial grease fill:181.44 g; Pa:18.1 kN; P150°:40 kN; h:42.069 mm;

d:55 mm; Basic static load rating C0:106 kN; db min.:65 mm; C:18 mm; Mass bearing:0.7 kg; d1 ≈:74.7 mm; rb max.:1.5 mm; Calculation factor Y0:0.8; Reference speed:5300 r/min; Db min.:94 mm;

Pu:0.890 kN; Oil:9 400 min-1; Grease:7 100 min-1; d1:30 mm; d:17 mm; D1:18 mm; D:30 mm; H:9 mm; dynamic Cr:12.660 kN; static Cor:19.600 kN;

D:170 mm; B:80 mm; C1:70.2 mm; das:128 mm; ra max.:1.5 mm; b:4.2 mm; r min.:1.8 mm;   +:0.2 mm; C:79 mm; Ca2:62 mm;

D:52.0000 mm; Grease Speed Rating n1:8000 rpm; Accessories:Shield & Seal; Oil Speed Rating n2:11000 rpm; Basic Static Radial Load Rating Co:21200 N; d:25.000 mm; Sealed Speed Rating n3:8000 rpm; B:22.20 mm; Fillet Radius ra:1.00 mm; Basic Dynamic Radial Load Rating C:22900 N;

E:192.77 mm; Da max.:201 mm; Basic dynamic load rating C:429 kN; b1:7 mm; da min.:159 mm; Limiting speed:1700 r/min; Calculation factor kr:0.25; ra max.:2 mm; D:210 mm; Mass bearing:6.45 kg;

A2:173.037 mm; Appropriate attachment bolt size G:0.875 in; RG:3/8 NPT; Housing:SAF 617; A1:111.125 mm; PG:1/4 NPT; Pa:10.5 kN; P120°:35.6 kN; Initial grease fill:365.71 g; Cap bolt, SAE grade:8;

Db max.:106 mm; Static axial stiffness, preload class C:173 N/µm; Calculation factor f0:15.5; Calculation factor f:1.12; a:22.1 mm; d2:82.3 mm; Static axial stiffness, preload class B:123 N/µm; Reference grease quantity Gref:8.1 cm³; Calculation factor f1:1; Static axial stiffness, preload class A:90 N/µm;

Db max.:106 mm; Static axial stiffness, preload class C:173 N/µm; Calculation factor f0:15.5; Calculation factor f:1.12; a:22.1 mm; d2:82.3 mm; Static axial stiffness, preload class B:123 N/µm; Reference grease quantity Gref:8.1 cm³; Calculation factor f1:1; Static axial stiffness, preload class A:90 N/µm;