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NTN Tapered Roller Bearing Assembly: 25577/25521 - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 25577/25521

The NTN Tapered Roller Bearing Assembly, model 25577/25521 (MPN 4T-25577/25521), is an inch-system bearing with a 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. It features a carbon steel ring and a pressed…

SKU 3G-OTH-107666

Brand
NTN
Item
Tapered Roller Bearing Assembly: 25577/25521
Category
Tapered Roller Bearing Assemblies
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Technical Specifications

NTN
Brand
NTN
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
25577/25521
Manufacturer Part Number
4T-25577/25521
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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Assembly, model 25577/25521 (MPN 4T-25577/25521), is an inch-system bearing with a 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. It features a carbon steel ring and a pressed steel cage, as specified by the manufacturer.

Used in

Common applications for NTN
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

NTN Products

3G Electric supplies NTN tapered roller bearing assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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NTN Tapered Roller Bearing Assembly: 25877/25821, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25877/25821). Key specifications — System of Measurement: Inch; Ring Material: Carbon Steel; Manufacturer Part Number: 4T-25877/25821; Bearing Industry Number: 25877/25821; Brand: NTN; Cage Material: Pressed Steel.
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NTN Tapered Roller Bearing Assembly: 25877/25820, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25877/25820). Key specifications — System of Measurement: Inch; Ring Material: Carbon Steel; Manufacturer Part Number: 4T-25877/25820; Bearing Industry Number: 25877/25820; Brand: NTN; Cage Material: Pressed Steel.
NTN Tapered Roller Bearing Cone: 2558, 1 3/16 in Bore, 2.52 in OD, 0.998 in Cone Wd, 4T-2558. Key specifications — Compatible Cup Manufacturer Part Number: 2523S; System of Measurement: Inch; Ring Material: Carbon Steel; Manufacturer Part Number: 4T-2558; Bearing Industry Number: 2558; Brand: NTN; Cage Material: Chrome Steel; Bore Type: Tapered.
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NTN Tapered Roller Bearing Assembly: 15123/15245, 1 1/4 in Bore, 2 7/16 in OD, 0.75 in Cone Wd (MPN 4T-15123/15245). Key specifications — System of Measurement: Inch; Ring Material: Carbon Steel; Manufacturer Part Number: 4T-15123/15245; Bearing Industry Number: 15123/15245; Brand: NTN; Cage Material: Pressed Steel.
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NTN Tapered Roller Bearing Assembly: 15123/15245, 1 1/4 in Bore, 2 7/16 in OD, 0.75 in Cone Wd (MPN 4T-15123/15245). Key specifications — System of Measurement: Inch; Ring Material: Carbon Steel; Manufacturer Part Number: 4T-15123/15245; Bearing Industry Number: 15123/15245; Brand: NTN; Cage Material: Pressed Steel.

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