KOYO RNA4908 needle roller bearings

Calculation factor e:0.35; Reference speed:3000 r/min; Cb min.:13.5 mm; db min.:93.5 mm; Limiting speed:4000 r/min; B:58 mm; T:61.5 mm; Fatigue load limit Pu:56 kN; Db min.:159 mm; d1 ≈:120.76 mm;

Grease:919 kN; with cylindrical bore:1 700 min-1; Oil:89.080 kN; with tapered bore:2 200 min-1; Pu:496 kN; Static (Cor):5.5 mm; D:250 mm; rs (min):2 mm; Dynamic (Cr):3 mm; B:52 mm;

s max.:8 mm; Basic static load rating C0:2600 kN; rb max.:2 mm; D:290 mm; ra max.:2 mm; Limiting speed:1300 r/min; Basic dynamic load rating C:1470 kN; Mass bearing:31.5 kg; b1:8 mm; Da max.:280 mm;

D:30.0000 mm; Grease Speed Rating Open/Shielded n1:24000 rpm; Basic Dynamic Radial Load Rating C:5070 N; Basic Static Radial Load Rating Co:2360 N; Oil Speed Rating Open/Shielded n2:30000 rpm; Fillet Radius ra:0.64 mm; Accessories:Two Seals; d:10.000 mm; Sealed Speed Rating n3:17000 rpm; Grease Spee

Mass withdrawal sleeve:3.42 kg; Nut for removal:KM 38; d:180 mm; B2:110 mm; B1:105 mm; G:M 190x3; G1:17 mm; Hydraulic nut:HMV 38 E; d1:170 mm;

F:305 mm; r, r1,2 min.:2 mm; Mass inner ring:6.1 kg; B:69 mm; d:280 mm;

D1 ≈:754 mm; Comparative axial load rating CFa:602 kN; Basic static load rating C0:39000 kN; Comparative radial load rating CF:3750 kN; r3,4 min.:7.5 mm; Thrust factor K:1.76; r1,2 min.:7.5 mm; T:618 mm; Fatigue load limit Pu:2550 kN; B:618 mm;

B:42.00 mm; Oil Speed Rating n2:3000 rpm; Grease Speed Rating n1:2300 rpm; D:250.0000 mm; Basic Dynamic Radial Load Rating C:208000 N; Fillet Radius ra:2.50 mm; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:232000 N; d:140.000 mm;

ra max.:1.1 mm; Calculation factor e:0.44; D1 ≈:59.8 mm; Ba min.:5 mm; Fatigue load limit Pu:0.45 kN; da max.:41 mm; Mass bearing + adapter sleeve:0.61 kg; D:72 mm; Basic static load rating C0:8.8 kN; B:27 mm;

G3:13 mm; d3:1060 mm; A:10 mm; d1:800 mm; B:118 mm; Locking device:MS 31/850; B5:147 mm; Lock nut:HME 31/850; Mass adapter sleeve assembly:594 kg; G2:G 1/8;

Sealed Speed Rating n3:8000 rpm; B:20.60 mm; Basic Static Radial Load Rating Co:21200 N; d:25.000 mm; Fillet Radius ra:1.00 mm; Accessories:No Shield, no Seal,; Grease Speed Rating n1:8000 rpm; Oil Speed Rating n2:11000 rpm; Basic Dynamic Radial Load Rating C:22900 N; D:52.0000 mm;

L:749.3 mm; da:215.9 mm; Pa:66.7 kN; J max.:635 mm; Ca:107.798 mm; Da:359.999 mm; Cap bolt:4 x 7/8-9 UNC; Bearing:23048 CCK/W33; Labyrinth ring:2 x LOR 551; H2:85.725 mm;

d:9.500 mm; Fillet Radius ra:0.41 mm; Accessories:Two Seals; Sealed Speed Rating n3:21000 rpm; Basic Static Radial Load Rating Co:1340 N; Oil Speed Rating Open/Shielded n2:38000 rpm; Width Plain B:5.6 mm; D:22.2000 mm; Grease Speed Rating Open/Shielded n1:31000 rpm; Shielded or Sealed B1:7.1 mm;

B:44.00 mm; Grease Speed Rating n1:4300 rpm; Basic Dynamic Radial Load Rating C:85200 N; Basic Static Radial Load Rating Co:88000 N; Fillet Radius ra:1.50 mm; D:110.0000 mm; Oil Speed Rating n2:5600 rpm; Fillet Radius rb:1.00 mm; d:60.000 mm;