TIMKEN 8578-30178/8520B-30178 Tapered Roller Bearing Assemblies cross reference chart |
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| No. | Brand | r | D | T | B | C | R | d | a |
| T-8578/8520 | NTN | - | 327,025 mm | 52,388 mm | 52,388 mm | 36,512 mm | - | 241,3 mm | - |
| T-8578/8520D+A | NTN | - | 327,025 mm | 114,3 mm | - | - | - | 241,3 mm | - |
| 8578/8520 | NSK | 3,3 mm | 327,025 mm | 52,388 mm | 52,388 mm | 470 kN | 6,4 mm | 241,3 mm | 59,6 mm |
| 8578/8520B | Timken | - | 327,025 mm | - | 52,388 mm | 36,512 mm | 6,3 mm | 241,3 mm | 7,6 mm |
| 8578/8520CD+X2S-8578 | Timken | 1,5 mm | 327,025 mm | 114,3 mm | - | 82,55 mm | 6,4 mm | 241,3 mm | - |
| L357049-30178/L357010-30178 | TIMKEN | - | 15.5 Inch | 393.7 Millimeter | - | - | - | - | 12 Inch | 304.8 Millimeter | - |
| EE161400-30178/161900-30178 | TIMKEN | - | 19 Inch | 482.6 Millimeter | - | - | - | - | 14 Inch | 355.6 Millimeter | - |
| 8578-30038/8520B-30038 | TIMKEN | - | 12.875 Inch | 327.025 Millimeter | - | - | - | - | 9.5 Inch | 241.3 Millimeter | - |
| 8578-30879/8520B-30879 | TIMKEN | - | 12.875 Inch | 327.025 Millimeter | - | - | - | - | 9.5 Inch | 241.3 Millimeter | - |
| HM743337-30178/HM743310-30178 | TIMKEN | - | 13.125 Inch | 333.375 Millimeter | - | - | - | - | 7.875 Inch | 200.025 Millimeter | - |
| EL768949-30178/EL768910-30178 | TIMKEN | - | 19.125 Inch | 485.775 Millimeter | - | - | - | - | 17.063 Inch | 433.4 Millimeter | - |
| 1.772 Inch | 45 Millimeter x 4.724 Inch | 120 Millimeter x 1.142 Inch | 29 Millimeter TIMKEN 7409W SU Angular Contact Ball Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| TIMKEN H715348-90036 Tapered Roller Bearing Assemblies | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| 30,1625 mm x 80 mm x 36,51 mm TIMKEN SMN103KS Insert Bearings Spherical OD | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| 1.375 Inch | 34.925 Millimeter x 0 Inch | 0 Millimeter x 1.188 Inch | 30.175 Millimeter TIMKEN 3872A-2 Tapered Roller Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| 2.559 Inch | 65 Millimeter x 3.937 Inch | 100 Millimeter x 2.835 Inch | 72 Millimeter TIMKEN 3MM9113WI QUH Precision Ball Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| 0 Inch | 0 Millimeter x 5.375 Inch | 136.525 Millimeter x 1.438 Inch | 36.525 Millimeter TIMKEN H715311-3 Tapered Roller Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| TIMKEN MSM180BRHFATL Flange Block Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |
| 0.984 Inch | 25 Millimeter x 2.441 Inch | 62 Millimeter x 1.772 Inch | 45 Millimeter TIMKEN MM25BS62 TUH Precision Ball Bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:9.988; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:5/8 Inch; Relubricatable:Yes; Insert Part Number:22215; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Inch; Long Description:4 Bolt Round Flange Cartridge; 2-11/16" Bore; 7-1/2" Bolt Circle; 5.3" Bolt Spacing; 1 Piece Solid;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:22; D:4.74 Inch | 120.4 Millimeter; Cartridge Pilot Diameter:6.375 Inch | 161.92 Millimeter; Nominal Bolt Circle Diameter Round:7.5 Inch | 190 Millimeter; Bolt Spacing:5.3 Inch | 134.7 Millimeter; d:2.688 Inch | 68.275 Millimeter; Cartridge Pilot Depth:1.25 Inch | 31.75 Millimeter; |