K25X31X21 NTN Needle roller bearing

with tapered bore:1 300 min-1; B:110 mm; with cylindrical bore:950 min-1; Dynamic (Cr):7.5 mm; Static (Cor):13.9 mm; Oil:191.320 kN; Grease:2040 kN; d:170 mm; D:310 mm; Pu:1340 kN;

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;

Basic dynamic load rating C:8420 kN; F:942 mm; Limiting speed:560 r/min; d:850 mm; s max.:2 mm; Calculation factor kr:0.17; r1,2 min.:7.5 mm; Reference speed:360 r/min; da max.:936 mm; B:212 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; 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;

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;

Limiting speed:2000 r/min; Fatigue load limit Pu:200 kN; Ca min.:9 mm; Basic static load rating C0:2040 kN; r5 min.:1.5 mm; Calculation factor Y0:0.8; Calculation factor Y1:0.81; Calculation factor Y2:1.2; da max.:181 mm; D:320 mm;

with tapered bore:1 300 min-1; B:110 mm; with cylindrical bore:950 min-1; Dynamic (Cr):7.5 mm; Static (Cor):13.9 mm; Oil:191.320 kN; Grease:2040 kN; d:170 mm; D:310 mm; Pu:1340 kN;

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: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;

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;

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;

with tapered bore:1 300 min-1; B:110 mm; with cylindrical bore:950 min-1; Dynamic (Cr):7.5 mm; Static (Cor):13.9 mm; Oil:191.320 kN; Grease:2040 kN; d:170 mm; D:310 mm; Pu:1340 kN;

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: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;