| Average Clearance (Cd) | 0.1550 |
| Wall Thickness (S3) | 2.430 |
| Shaft Size (ds) - 65 +0 / -0.046 | 65 +0 / 0.046 |
| Bearing Bore after Mounting (di) | 65 +0.230 / +0.080 |
| Outer Diameter (mm) | 70 |
| OD Chamfer Length (Co) | 1.800 |
| Bearing Type | metal with bronze an |
| Bore Diameter (mm) | 65 |
| Housing Bore Dia. (Dh) - 70 +0.030 / -0 | 70 +0.030 / 0 |
| ID Chamfer Length (Ci) | 0.600 |
| Bearing Length Tolerance (B tol.) - +0 / -0.40 | +0 / 0.40 |
| ID Chamfer Angle (B deg.) | 45 |
| Shaft Dia., Nominal (d) | 65.0000 |
| Bearing Length, Nominal (B) | 50.000 |
| Bearing Outside Diameter, Nominal(Do) | 70.000 |
| Bearing number | AST850SM 6550 |
Cross reference AC4634B KOYO Single-row, matched pair angular contact ball bearings | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | T | r | B | C | R | a | d | D |
| 64FC46340A | KOYO | - | - | 340 mm | 3860 kN | - | - | 320 mm | 460 mm |
| 66FC46340 | KOYO | - | - | 340 mm | 3860 kN | - | - | 330 mm | 460 mm |
| LM446349/10 | ISO | 46,038 mm | - | 46,038 mm | 33,338 mm | - | 6,6 mm | 234,95 mm | 311,15 mm |
| LM446349/LM446310 | Timken | 46,038 mm | 3,3 mm | 46,038 mm | 33,338 mm | 3,6 mm | 6,6 mm | 234,95 mm | 311,15 mm |
| LM446349/LM446310D+A | NTN | 98,425 mm | - | - | - | - | - | 234,95 mm | 311,15 mm |
| LM446349/LM446310D+LM446349XA | Timken | 98,425 mm | 0,8 mm | - | 73,025 mm | 3,5 mm | - | 234,95 mm | 311,15 mm |
| SB4634 | KOYO | - | - | 45 mm | 223 kN | - | - | 230 mm | 339,5 mm |
| AC4634B | KOYO | - | - | 45 mm | 227 kN | - | 142,1 mm | 230 mm | 339,5 mm |
| NP674634-2 | TIMKEN | - | - | 1 Inch | 25.4 Millimeter | - | - | - | 2.75 Inch | 69.85 Millimeter | 0 Inch | 0 Millimeter |
| LM446349-2 | TIMKEN | - | - | 1.813 Inch | 46.05 Millimeter | - | - | - | 9.25 Inch | 234.95 Millimeter | 0 Inch | 0 Millimeter |
| LM446349-90012 | TIMKEN | - | - | - | - | - | - | 9.25 Inch | 234.95 Millimeter | 12.25 Inch | 311.15 Millimeter |
| NN3024 KOYO Double-row cylindrical roller bearings | Bore Diameter (mm):55; r min.:1,1 mm; Outer Diameter (mm):90; Bearing number:HSS7011-E-T-P4S; C:18 mm; Size (mm):55x90x18; Basic dynamic load rating (C):17 600 kN; Weight:0,41 Kg; ra max:1 mm; a:26 mm; Width (mm):18; da:62 mm; rmin:1,1 mm; D:90 mm; d:55 mm; da:62 mm / Tolerance: h; nG Fett:20000 1/m |
| NNU493 KOYO Double-row cylindrical roller bearings | m:0,679 kg / Weight; s:0,8 mm / Axial displ; d1:70,8 mm; d:55 mm; ra max:1,5 mm; D:100 mm; da max:65 mm; Da max:91 mm; rmin:1,5 mm; Cr:99000 N / Dynamic lo; Bore Diameter (mm):55; B:21 mm; r1 min:1,1 mm; C0r:95000 N / Static loa; D1:86,6 mm; Width (mm):21; Outer Diameter (mm):100; F:66 mm; dc min:73 |
| NNU4932 KOYO Double-row cylindrical roller bearings | N:41 mm; L3:123 mm; L1:135 mm; L5:220 mm; H2:113 mm; N2:71 mm; A2:46 mm; S:26 mm; H:178 mm; d:60 mm; Bore Diameter (mm):60; A:71 mm; H1:160 mm; A1:22 mm; Bearing number:UCT312; L:220 mm; B:71 mm; N1:31 mm; L2:23 mm; |
| NNU4926 KOYO Double-row cylindrical roller bearings | D:100 mm; d:55 mm; Bearing number:20211 C; Width (mm):21; B:21 mm; C:21 mm; Size (mm):55x100x21; Basic static load rating (C0):85 kN; Bore Diameter (mm):55; Basic dynamic load rating (C):73,5 kN; (Grease) Lubrication Speed:2500 r/min; Weight:0,653 Kg; Outer Diameter (mm):100; |
| NNU4928 KOYO Double-row cylindrical roller bearings | D:90 mm; Size (mm):50x90x23; e:1,1 mm; m:9 mm; D1:61,8 mm; Bore Diameter (mm):50; C:23 mm; a:5 mm; Width (mm):23; s:19 mm; Thread (G):M10x1,25; N:2,7 mm; d:50 mm; Outer Diameter (mm):90; N1:86,79 mm; Weight:0,8 Kg; Bearing number:CUC210; H1:5,6 mm; B1:51,6 mm; J:3,7 mm; |
| NN3028 KOYO Double-row cylindrical roller bearings | Basic dynamic load rating (C):100 kN; Bore Diameter (mm):40; d:40 mm; Angle:7 °; d1:45 mm; Size (mm):40x62x28; Width (mm):28; C:22 mm; Weight:0,306 Kg; Bearing number:GE40ES-2RS; D:62 mm; Outer Diameter (mm):62; B:28 mm; |
| NN3026 KOYO Double-row cylindrical roller bearings | Weight:1740 Kg; r1 min.:6 mm; C:700 mm; B:700 mm; Fw:796 mm; D:1000 mm; Bearing number:145FC100700W; Basic dynamic load rating (C):18100 kN; Outer Diameter (mm):1000; r min.:6 mm; d:725 mm; Width (mm):700; Bore Diameter (mm):725; Size (mm):725x1000x700; |
| NN303 KOYO Double-row cylindrical roller bearings | Basic static load rating (C0):87 kN; D:100 mm; Size (mm):55x100x25; Bearing number:NUP2211; Bore Diameter (mm):55; Basic dynamic load rating (C):75,5 kN; (Grease) Lubrication Speed:6000 r/min; d:55 mm; B:25 mm; F:66,5 mm; Width (mm):25; C:25 mm; Weight:0,786 Kg; Outer Diameter (mm):100; |
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