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370A-363DC TDO (Two-Row Double-Outer Race) (Imperial)

370A-363DC TDO (Two-Row Double-Outer Race) (Imperial)

The 370A-363DC is a double-row tapered roller bearing with a 2-inch bore and 3.5433-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 39900 lbf and suits applications needing reliable radial and thrust support.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various environments.

With standard radial clearance and ABEC-1 precision, it’s a practical choice for industrial machinery or heavy equipment. The double-row construction provides extra stability under heavy loads.

Weighing 2.55 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable option for replacements or new installations.

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Product Parameters

  • Part Number 370A-363DC
  • Brand TFL
  • Size 2" x 3.5433" x 0.875"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.5433"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.6563"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9688"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.34"
  • Cage Cone Backface Clearance 0"
  • Dynamic Radial Load 39900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 370A
  • Cup Part Number 363DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 365
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5930 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3250 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10300 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.550 lb

Features

How Is 370A-363DC Bearing Engineered for Reliability?

370A-363DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 39,900 lbf.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance option, it offers flexibility for various applications.

What Makes 370A-363DC Bearing Suitable for High-Temperature Applications?

370A-363DC Bearing operates efficiently within a temperature range of -30° to 110°C, making it suitable for demanding environments.
The chrome steel rollers and rings resist thermal expansion, maintaining performance under stress.
Its open design allows for easy lubrication, ensuring smooth operation even in high-heat conditions.
The bearing’s robust construction minimises wear, even with frequent thermal cycling.

Designed for Durability: 370A-363DC Bearing

370A-363DC Bearing’s double-row construction distributes loads evenly, enhancing its longevity.
The chrome steel components resist wear, ensuring reliable performance over extended periods.
Its standard radial clearance options provide adaptability for different operational needs.
With a dynamic radial rating of 10,300 lbf for two rows, it handles heavy loads with ease.

Ball vs Roller Bearings: Advantages of 370A-363DC Bearing

370A-363DC Bearing’s tapered roller design offers superior load distribution compared to ball bearings.
It handles combined radial and thrust loads efficiently, with a dynamic thrust rating of 3,250 lbf.
The steel cage ensures roller stability, reducing noise and vibration.
Its inch-sized dimensions make it compatible with a wide range of industrial applications.

Application

Industrial Uses of 370A-363DC Bearing
370A-363DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles both radial and thrust loads efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 370A-363DC Bearing supports wheel hubs and differential systems, providing reliable performance under combined loads. Its inch sizing makes it a fit for many North American vehicle models.

For industrial conveyor systems, 370A-363DC Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

In agricultural machinery, 370A-363DC Bearing withstands harsh conditions like dust and moisture, thanks to its robust steel cage. The standard radial clearance ensures consistent performance across varying temperatures.

Q&A

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