Bantalan NN4921MBKR NSK

l4 max.:128 mm; B:20 mm; G:M 24x2; C1 max.:18 mm; d:25 mm; α:7 °; Basic dynamic load rating C:72 kN; d2 max.:65 mm; Basic static load rating C0:90 kN; d4 ≈:35 mm;

Grease Speed Rating Open/Shielded n1:8500 rpm; Basic Static Radial Load Rating Co:19000 N; B:21.00 mm; Basic Dynamic Radial Load Rating C:33200 N; Oil Speed Rating Open/Shielded n2:10000 rpm; Accessories:Shield & Seal; Fillet Radius ra:1.50 mm; Sealed Speed Rating n3:6000 rpm; D:80.0000 mm; d:35.000 mm;

with cylindrical bore:9 400 min-1; with tapered bore:1208  ; D:80 mm; d:40 mm; Oil:7 900 min-1; Pu:6.560 kN; Static (Cor):19.880 kN; B:18 mm; Grease:0.300 kN; rs Dynamic (Cr):1.1 mm;

S:4.763 mm; Mass pillow block:157 kg; Max. speed for Taconite seal:410 r/min; h:54.769 mm; Taconite seal (dc shaft position):TER 148; Ca:95.809 mm; Housing:SAFS 234; Taconite seal (db shaft position):TER 161; H:360.363 mm; da:170 mm;

S:4.763 mm; Mass pillow block:157 kg; Max. speed for Taconite seal:410 r/min; h:54.769 mm; Taconite seal (dc shaft position):TER 148; Ca:95.809 mm; Housing:SAFS 234; Taconite seal (db shaft position):TER 161; H:360.363 mm; da:170 mm;

Bearing:22220 EK; A1:111.125 mm; Pa:13.8 kN; Ca:55.804 mm; H1:114.3 mm; Max. speed for Taconite seal:900 r/min; Cap bolt recommended tightening torque:203.4 N·m; N1:25.4 mm; R1:58.737 mm; ba:44.45 mm;

Specific dynamic load factor K:10 N/mm²; Permissible sliding velocity v max.:5 m/s; Coefficient of friction µ min.:0.05; B:15 mm; D:27 mm; Permissible sliding velocity v min.:0.25 m/s; d:22 mm; Coefficient of friction µ max.:0.1; Tolerance shaft:h8; Tolerance housing:H7;

K:12 mm; Da max.:728 mm; d2 ≈:536 mm; Calculation factor Y1:2.3; Calculation factor e:0.3; da max.:536 mm; Limiting speed:128 r/min; B:240 mm; da min.:492 mm; Fatigue load limit Pu:680 kN;

Grease Speed Rating Open/Shielded n1:8500 rpm; Basic Static Radial Load Rating Co:19000 N; B:21.00 mm; Basic Dynamic Radial Load Rating C:33200 N; Oil Speed Rating Open/Shielded n2:10000 rpm; Accessories:Shield & Seal; Fillet Radius ra:1.50 mm; Sealed Speed Rating n3:6000 rpm; D:80.0000 mm; d:35.000 mm;

da max.:121 mm; Limiting speed:3000 r/min; ra max.:3 mm; Calculation factor e:0.83; rc max.:1 mm; Da max.:202.5 mm; Basic static load rating C0:930 kN; 2B:102 mm; D:215 mm; T:113 mm;

Appropriate attachment bolt size G:0.75 in; Stabilizing ring:2 x SR-1618; ba:42.069 mm; PG:1/4 NPT; Pa:11.6 kN; N1:22.225 mm; End plug (suffix Y):EPR 11; Cap bolt recommended tightening torque:515.2 N·m; L:393.7 mm; H1:120.65 mm;