NTN 32316 U 80x170x61.5 Tapered Roller Bearing - AI-Powered Review

NTN 32316 U 80x170x61.5 Tapered Roller Bearing | AI-Powered Review

NTN 32316 U - Single Row Tapered Roller Bearing 80x170x61.5 mm

The NTN 32316 U is a high performance single-row tapered roller bearing with dimensions 80 x 170 x 61.5 mm (bore x outer diameter x total width). It’s designed to carry combined radial and axial loads, especially useful in heavy machinery, industrial drives, gearboxes, and axle systems.

As an open type bearing, the 32316 U delivers excellent cooling, but proper lubrication is essential for long life.

This component is offered on the B2B platform simmering.pl, with warehouse & store located in Lublin (ul. Smoluchowskiego 1, building 4), and 24h shipping for fast order fulfillment.

✅ Key Technical Features

• Bearing type: Single row tapered roller bearing

• Designation: NTN 32316 U

• Dimensions: Bore d = 80 mm, Outer D = 170 mm, Total width T = 61.5 mm

• Inner ring / cone width: ~58 mm (inner ring) and outer ring ~48 mm

• Load ratings:
    • Dynamic (Cr) ~ 440 kN
    • Static (C0r) ~ 525 kN

• Speed limits: Approx. 3,000 rpm (oil) / ~2,300 rpm (grease)

• Operating temperature range: -40 °C to +120 °C typical

• Cage design: Pressed steel cage (open design)

• Mass: ~6.48 kg

• Purpose: Supports significant radial and one-direction axial loads with moderate speed in demanding industrial settings

⚙ Applications

• Industrial gearboxes and transmissions

• Axle and drive shaft systems

• Heavy machinery: mining, metallurgy, construction

• Agricultural equipment

• Vehicles / trucks / railway gear sets where robust load capacity is needed

❓ FAQ - Frequently Asked Questions

Q1: What does the “U” stand for in 32316 U?
“A U” designation denotes that this bearing is a full single row tapered roller bearing, with separable cone and cup.

Q2: Can this bearing support axial loads?
Yes — tapered roller bearings are designed to carry both radial and axial loads. Their geometry allows them to handle combined loading conditions.

Q3: Is 32316 U open or sealed?
It is open type (no seals), which aids cooling and allows high speed, but demands consistent and proper lubrication.

Q4: What speed can it operate at?
Recommended speed limits are about 3,000 rpm (oil lubrication) and 2,300 rpm (grease) under ideal conditions.

Q5: In what configurations is this used in machinery?
Often used in pairs (opposed) or as paired cones and cups to manage axial loads in both directions, or in back-to-back arrangements.

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