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NTN

NTN Corporation, founded in 1918 in Osaka, Japan, is a global manufacturer of bearings and precision equipment. The company produces a wide range of bearing types for industrial applications, including tapered roller bearings, radial ball bearings, angular contact bearings, and mounted units. NTN bearings are used in machinery across sectors such as automotive, mining, agriculture, and material handling. The product line includes inch and metric systems, with bore sizes from 17 mm to 2 in and outer diameters up to 85 mm. Bearings are available with various seal types (contact, non-contact), cage materials (chrome steel, pressed steel), and precision classes (e.g., ABEC 7). NTN components are built to JIS and ISO standards, with carbon steel rings and NLGI #3 equivalent lubricants in some units. 3G Electric supplies over 2,600 NTN SKUs, including tapered roller bearing cones and assemblies, high-temperature radial ball bearings, general-purpose flange-mount bearings, and duplex angular contact bearings. The inventory covers both inch and metric systems, with options for cylindrical or tapered bores, set screw locking, and double-sealed configurations. 3G Electric supports procurement by offering a broad selection of NTN part numbers, such as LM29748L, 6004FT150, UCF211-200D1, and ML7006CVDUJ74S, enabling engineers and maintenance managers to source replacements for rotating equipment, conveyor systems, and pumps. The catalog includes detailed specifications for each SKU, including bearing industry numbers, ring materials, and mounting bolt sizes, to facilitate accurate selection without cross-referencing multiple sources.

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About NTN

NTN Corporation, founded in 1918 in Osaka, Japan, is a global manufacturer of bearings and precision equipment. The company produces a wide range of bearing types for industrial applications, including tapered roller bearings, radial ball bearings, angular contact bearings, and mounted units. NTN bearings are used in machinery across sectors such as automotive, mining, agriculture, and material handling. The product line includes inch and metric systems, with bore sizes from 17 mm to 2 in and outer diameters up to 85 mm. Bearings are available with various seal types (contact, non-contact), cage materials (chrome steel, pressed steel), and precision classes (e.g., ABEC 7). NTN components are built to JIS and ISO standards, with carbon steel rings and NLGI #3 equivalent lubricants in some units. 3G Electric supplies over 2,600 NTN SKUs, including tapered roller bearing cones and assemblies, high-temperature radial ball bearings, general-purpose flange-mount bearings, and duplex angular contact bearings. The inventory covers both inch and metric systems, with options for cylindrical or tapered bores, set screw locking, and double-sealed configurations. 3G Electric supports procurement by offering a broad selection of NTN part numbers, such as LM29748L, 6004FT150, UCF211-200D1, and ML7006CVDUJ74S, enabling engineers and maintenance managers to source replacements for rotating equipment, conveyor systems, and pumps. The catalog includes detailed specifications for each SKU, including bearing industry numbers, ring materials, and mounting bolt sizes, to facilitate accurate selection without cross-referencing multiple sources.

Common Applications

  • Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
  • Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
  • Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
  • Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
  • Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
  • Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

Frequently asked questions

Common questions about NTN from 3G Electric.

What types of NTN tapered roller bearings does 3G Electric stock?

3G Electric stocks NTN tapered roller bearing cones and assemblies in both inch and metric systems. Examples include the LM29748L cone (1 1/2 in bore, 2.44 in OD) and the 4T-30303 assembly (17 mm bore, 47 mm OD). These bearings feature carbon steel rings and pressed steel or chrome steel cages. They are suitable for applications requiring combined radial and axial load handling, such as gearboxes and wheel hubs.

Are NTN high-temperature radial ball bearings available from 3G Electric?

Yes, 3G Electric supplies NTN high-temperature radial ball bearings, such as the 6004FT150 (20 mm bore, 42 mm OD, 12 mm width). This bearing features double contact seals and is designed for environments with elevated operating temperatures. It is a metric bearing with a standard 6004 industry number, suitable for furnace fans, drying equipment, and other heat-exposed machinery.

What precision grades are available for NTN angular contact bearings at 3G Electric?

3G Electric offers NTN duplex angular contact bearings with ABEC 7 precision, such as the ML7006CVDUJ74S (30 mm bore, 17° contact angle). These are matched pairs with open design, suitable for high-speed spindles and machine tool applications requiring tight runout tolerances. The ABEC 7 class indicates a high level of dimensional and running accuracy.

Does 3G Electric carry NTN flange-mount bearings with cast iron housings?

Yes, 3G Electric stocks NTN 4-bolt flange bearings with cast iron housings, such as the UCF211-200D1 (2 in bore, set screw locking). This unit uses NLGI #3 equivalent lubricant and has a 5/8 in mounting bolt size. It is designed for general-purpose applications where easy mounting and alignment are needed, such as conveyor systems and agricultural equipment.

What seal options are available for NTN radial ball bearings from 3G Electric?

3G Electric supplies NTN radial ball bearings with double contact seals (e.g., 6004FT150) and double non-contact seals (e.g., 6008LLBC3/L627). Contact seals provide better protection against contaminants but may have higher friction, while non-contact seals reduce drag and are suitable for higher-speed applications. Both types are available in metric sizes.

Does 3G Electric supply NTN products?

Yes — 3G Electric (S) Pte. Ltd. supplies NTN products. We stock the NTN catalog and supply genuine factory-original products with full manufacturer warranty and technical support.