Timken,44348B,Roller Bearing Cup Flanged Cup

Description:

The Timken 44348B is a single flanged tapered roller bearing cup designed for use with compatible Timken tapered roller bearing cones in heavy-duty industrial and mobile equipment. Its flanged cup design provides accurate axial positioning and simplifies seal alignment in through-bored housings. Manufactured from high-quality bearing steel, it delivers excellent load-carrying capacity, durability, and long service life in demanding operating conditions.

Applications:

The Timken 44348B bearing cup is commonly used in gearboxes, transmissions, axles, construction equipment, agricultural machinery, mining equipment, and other industrial power transmission systems. It is designed to be paired with compatible Timken tapered roller bearing cones, including the 44162 cone, to support combined radial and axial loads while ensuring precise shaft alignment.

Technical Specifications:

• Manufacturer Part Number (MPN): 44348B
• Manufacturer: Timken
• Product Type: Single flanged tapered roller bearing cup
• Bearing Type: Tapered roller bearing cup (TSF)
• Series: 44000
• Cup Design: Single flanged
• Cup Part Number: 44348B
• Outside Diameter (D): 3.4843 in (88.501 mm)
• Outer Ring Width (C): 0.6875 in (17.463 mm)
• Outer Ring Flange Diameter (D1): 3.6983 in (93.937 mm)
• Outer Ring Flange Width (C2): 0.2187 in (5.555 mm)
• Maximum Housing Fillet Radius: 0.060 in (1.500 mm)
• Housing Backing Shoulder Diameter (Da): 3.400 in (86.110 mm)
• Weight: 1.8 lb (0.80 kg)
• Bearing Material: High-carbon chromium bearing steel
• Compatible Cone: Timken 44162

Common Replacements:

• Timken 44348
• NTN 44348B
• SKF 44348B