NTN 4T-644 Single row tapered roller bearings

Roller Profile:Symmetric; ra (max):2 mm; Axial Load Factor Y2:2.64; Axial Load Factor Y1:1.77; Limiting Speed - Grease:2,100 rpm; Limiting Speed - Oil:2,600 rpm; B:100 mm; Da (max):238 mm; Enclosure:Open; Fillet Radius/Chamfer:2.1 mm;

Width - Inner Ring B1:15.20 mm; Fillet Radius ra:1.00 mm; Basic Radial Load Rating-Dynamic DC:13000 N; Speed Rating-Single and Double Sealed Grease SDG:10000 rpm; Basic Interchange FAF:204KL; Basic Interchange BCA:8504; Width - Overall B:15.9 mm; d:20.000 mm; Basic Interchange NDH:8504; Width - Oute

Fillet Radius/Chamfer:1.1 mm; Inside Ring Outside Diameter:27.5 mm; Limiting Speed - Grease:11,000 rpm; Radial Clearance:0.020 to 0.045 mm; Da (max):45 mm; Bore Type:Cylindrical Bore; Dynamic Load Rating:42,000 N; Configuration:Single Row; d:20 mm; db (min):25 mm;

Oil Speed Rating Open/Shielded n2:2900 rpm; d:105.000 mm; Grease Speed Rating Open/Shielded n1:2400 rpm; B:65.00 mm; Basic Static Radial Load Rating Co:228000 N; D:290.0000 mm; Sealed Speed Rating n3:1600 rpm; Accessories:Two Shields; Fillet Radius ra:3.00 mm; Basic Dynamic Radial Load Rating C:2470

B:33 mm; D:140 mm; Radial Clearance:0.023 to 0.043 mm; Bore Type:Cylindrical Bore; b (min):3.1 mm; Dx (min):152 mm; a (max):4.9 mm; Static Load Rating:59,500 N; ra (max):2 mm; Limiting Speed - Grease:4,900 rpm;

d:45.000 mm; Fillet Radius ra:1.50 mm; D:100.0000 mm; Basic Dynamic Radial Load Rating C:80900 N; Oil Speed Rating n2:6000 rpm; Sealed Speed Rating n3:4500 rpm; Accessories:One Shield & Snap-Ri; B:39.70 mm; Basic Static Radial Load Rating Co:80000 N; Grease Speed Rating n1:4500 rpm;

dc (min):90 mm; Limiting Speed - Oil:5,300 rpm; ra1 (max):1.5 mm; D:130 mm; Static Load Rating:156,000 N; Radial Clearance:0.065 to 0.100 mm; Dynamic Load Rating:130,000 N; r1:1.5 mm; dd (min):96 mm; Limiting Speed - Grease:4,300 rpm;

C:135 mm; Enclosure:Double Seal; f (max):5 mm; Limiting Speed - Oil:550 rpm; Static Load Rating:2,140,000 N; Bore Type:Cylindrical Bore; B:136 mm; Fillet Radius/Chamfer:1.5 mm; Configuration:Double Row; C1:108.2 mm;

Accessories:One Seal; Basic Static Radial Load Rating Co:32500 N; d:70.000 mm; Oil Speed Rating Open/Shielded n2:7000 rpm; Basic Dynamic Radial Load Rating C:41000 N; B:20.00 mm; Grease Speed Rating Open/Shielded n1:6000 rpm; Sealed Speed Rating n3:3600 rpm; D:110.0000 mm; Fillet Radius ra:1.00 mm;

Oil Speed Rating n2:9000 rpm; Basic Dynamic Radial Load Rating C:52700 N; B:38.00 mm; Basic Static Radial Load Rating Co:39000 N; Fillet Radius rb:0.60 mm; Grease Speed Rating n1:6700 rpm; d:30.000 mm; Fillet Radius ra:1.00 mm; D:72.0000 mm;

Grease Speed Rating Open/Shielded n1:2800 rpm; Basic Static Radial Load Rating Co:134000 N; Fillet Radius ra:2.00 mm; d:100.000 mm; Oil Speed Rating Open/Shielded n2:3400 rpm; D:180.0000 mm; Basic Dynamic Radial Load Rating C:127000 N; Accessories:Two Shields & Snap-R; B:34.00 mm;

D:340 mm; dc (min):234 mm; Da (max):322 mm; Bore Type:Cylindrical Bore; Configuration:Single Row; Limiting Speed - Oil:2,000 rpm; dd (min):247 mm; Inside Ring Outside Diameter:231 mm; Static Load Rating:1,290,000 N; db (min):208 mm;

Fillet Radius ra:2.50 mm; Grease Speed Rating Open/Shielded n1:3600 rpm; Accessories:One Seal; Sealed Speed Rating n3:2500 rpm; Basic Static Radial Load Rating Co:114000 N; d:75.000 mm; Basic Dynamic Radial Load Rating C:153000 N; D:190.0000 mm; B:45.00 mm; Oil Speed Rating Open/Shielded n2:4300 rpm

Sealed Speed Rating n3:6000 rpm; Oil Speed Rating n2:8000 rpm; Grease Speed Rating n1:6000 rpm; D:72.0000 mm; Basic Dynamic Radial Load Rating C:37700 N; Fillet Radius ra:1.00 mm; B:27.00 mm; Basic Static Radial Load Rating Co:27500 N; d:35.000 mm; Accessories:One Shield & Snap-Ri;

Basic Static Radial Load Rating Co:560000 N; d:160.000 mm; Grease Speed Rating n1:1300 rpm; B:96.00 mm; D:290.0000 mm; Basic Dynamic Radial Load Rating C:390000 N; Fillet Radius ra:2.50 mm; Oil Speed Rating n2:1700 rpm; Fillet Radius rb:1.00 mm;