angular contact ball bearings Quickstart Guide | |||||||||
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No. | Brand | d | D | T | C | B | a | da | Da |
F-237960.1 | INA | 21,98 mm | 40,13 mm | - | - | - | - | - | - |
712179600 | INA | 31,75 mm | 73,025 mm | 29,37 mm | 24 mm | - | - | - | - |
7960DF | NTN | 300 mm | 420 mm | - | 530 kN | 56 mm | 132 mm | - | - |
7960DT | NTN | 300 mm | 420 mm | - | 530 kN | 56 mm | 132 mm | - | - |
7960 | NTN | 300 mm | 420 mm | - | 325 kN | 56 mm | 132 mm | - | - |
7960/419.5DF | NTN | 300,000 mm | 419,500 mm | - | 112,000 mm | 112,000 mm | - | - | - |
7960A | NSK | 300 mm | 420 mm | - | 315 kN | 56 mm | 131,9 mm | 327 mm | 397 mm |
7960B | NSK | 300 mm | 420 mm | - | 279 kN | 56 mm | 179 mm | 327 mm | 397 mm |
7960BA | NSK | 300 mm | 420 mm | - | 279 kN | 56 mm | 179 mm | 327 mm | 397 mm |
7960DB | NTN | 300 mm | 420 mm | - | 530 kN | 56 mm | 132 mm | - | - |
Toyana 7008C angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
95 mm x 145 mm x 24 mm FAG HCS7019-C-T-P4S angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
105 mm x 160 mm x 26 mm SNR 7021HVUJ74 angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
35,000 mm x 72,000 mm x 17,000 mm NTN-SNR 7207 angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
17 mm x 47 mm x 14 mm KOYO 7303C angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
65 mm x 90 mm x 13 mm FAG HS71913-E-T-P4S angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
60 mm x 130 mm x 31 mm ISB QJ 312 N2 M angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
AST 7244C angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
12 mm x 28 mm x 8 mm NSK 12BGR10S angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
6,000 mm x 17,000 mm x 10,000 mm NTN SX6A17ZZ angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
190 mm x 290 mm x 46 mm CYSD 7038CDF angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
75 mm x 130 mm x 41,3 mm NSK 5215 angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
75 mm x 130 mm x 25 mm SNR 7215HG1UJ74 angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
85 mm x 180 mm x 41 mm NACHI 7317DB angular contact ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:32.688; Product Group:M06288; Number of Mounting Holes:6; Mounting Method:Eccentric Collar; Housing Style:6 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Non-expansion; Mounting Bolts:3/4 Inch; Relubricatable:Yes; Insert Part Number:22222; Seals:Triple Lip Urethane; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:6 Bolt Round Flange Cartridge; 110MM Bore; 300MM Bolt Circle; 149.225MM Bolt Spacing; 1 Piece Solid; Eccentric Collar; Other Features:Double Row; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:72; Nominal Bolt Circle Diameter Round:11.8 Inch | 300 Millimeter; d:4.331 Inch | 110 Millimeter; Cartridge Pilot Diameter:10.25 Inch | 260.35 Millimeter; Bolt Spacing:5.875 Inch | 149.225 Millimeter; D:5.53 Inch | 140.462 Millimeter; Cartridge Pilot Depth:0 Inch | 0 Millimeter; |
300 mm x 420 mm x 56 mm NTN 7960DT angular contact ball bearings Video
NTN 7960DT Bearing | 7960DT, KOYO bearings. - Autobedrijf Martens
Groove Ball Bearing Sourcing Solutions Se ... 6904VV bearings, 23280B, 23080CACK / W33 bearings, NSK 241 / 630CAK30E4, NTN 7960DT, KOYO bearings
300 mm x 420 mm x 56 mm NTN 7960DT angular contact ball
300 mm x 420 mm x 56 mm NTN 7960DT angular contact ball bearings. Brand Name, NTN. Model Number, 7960DT. Min.Order Quantity, 1 pcs
NTN 7960DT bearing - 7960DT bearing Large discount
NTN 7960DT bearing, Size: 300x420x56. NTN 7960DT are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need
NTN 7960DT NTN
NTN 7960DT bearing. 300x420x56. 53416u koyo 7952dt ntn lm1825 nsk cfe30-1buu iko 7956dt ntn 53217u koyo lm1916 nsk cfe30-1buur iko 7960dt ntn We
300 mm x 420 mm x 56 mm NTN 7960DT angular contact ball
Size. 300x420x56 mm. Bore Diameter. 300 mm. Outer Diameter. 420 mm. Width. 56 mm d. 300 mm. D. 420 mm. B. 56 mm ra1 max. 1 mm. Angle (α). 25 ° a
7960DT NTN Bearing | 7960dt ntn We cooperate with UPS
7956DT bearing Japan ntn-7956. 53416u koyo 7952dt ntn lm1825 nsk cfe30-1buu iko 7956dt ntn 53217u koyo lm1916 nsk cfe30-1buur iko 7960dt ntn We
NTN 7960 Bearing | 7960: 56: 300: 420: NTN: Angular contact
Do you need to buy 7960DT NTN bearing? You will get what you want here. We have a good stock of NTN 7960DT bearing, which can absolutely meet your
Original NTN 7220BBG bearing, 7220BBG bearing
NTN 7960DT bearing. 300x420x56. 53416u koyo 7952dt ntn lm1825 nsk cfe30-1buu iko 7956dt ntn 53217u koyo lm1916 nsk cfe30-1buur iko 7960dt ntn We