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TS (Single Row Tapered Roller Bearings) (Metric) X30315-Y30315
TS (Single Row Tapered Roller Bearings) (Metric) X30315-Y30315

TS (Single Row Tapered Roller Bearings) (Metric) X30315-Y30315

The 615-612-B is a single row tapered roller bearing with a flange, measuring 1.75″ x 4.75″ x 1.625″. Made from durable chrome steel, it handles combined loads with a dynamic radial load capacity of 46600 lbf.

Its flanged cup design ensures secure mounting, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like axles or industrial gearboxes where combined loads are common.

Weighing 5.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets industry safety requirements.

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Product Parameters

  • Part Number X30315-Y30315
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 75 mm x 160 mm x 40 mm
  • Cone Part Number X30315
  • Cup Part Number Y30315
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Cone Width 37 mm
  • Cone Width Tolerance -0.15mm to 0
  • Cup Width 31 mm
  • Cup Width Tolerance -0.2mm to 0
  • Width 40 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 3.05 mm
  • Cup Backface ToClear Radius 2.54 mm
  • Cone Frontface Backing Diameter 89 mm
  • Cone Backface Backing Diameter 94 mm
  • Cup Frontface Backing Diameter 150.10 mm
  • Cup Backface Backing Diameter 145.03 mm
  • Cage Cone Frontface Clearance 6.3 mm
  • Cage Cone Backface Clearance 2.3 mm
  • Effective Center Location -8.1 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 30315
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 79650 lbf
  • Static Radial Load 76050 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 20655 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12195 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 8.16 lb

Features

Performance Features of 615-612-B Bearing

615-612-B Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,600 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures effective load distribution, enhancing durability and performance.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 615-612-B Bearing Resist Wear?

615-612-B Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
Its standard radial clearance allows for smooth operation in diverse applications.
This design ensures consistent performance over time, minimising maintenance needs.

Engineered for Precision: 615-612-B Bearing

615-612-B Bearing features precise tolerances, with bore diameter accuracy of +0.005″ to 0.
The flanged cup design simplifies installation and positioning in machinery.
Its effective center location of -0.55″ ensures optimal load distribution.
These features make it a reliable choice for precision engineering applications.

Steel vs Ceramic Bearings: Strengths of 615-612-B Bearing

615-612-B Bearing uses chrome steel for both rings and rollers, balancing strength and affordability.
This material choice provides good heat resistance and load capacity for industrial use.
The steel cage offers durability while maintaining proper roller spacing.
Compared to ceramic options, it delivers reliable performance at a more accessible price point.

Application

Industrial Uses of 615-612-B Bearing
615-612-B Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The flanged cup adds stability, making it suitable for rough operating conditions.

In automotive applications, 615-612-B Bearing works well in wheel hubs and differential systems, thanks to its durable chrome steel construction. Its inch sizing ensures compatibility with many American vehicle models.

For industrial conveyor systems, 615-612-B Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage provides additional strength under continuous use.

Where Is 615-612-B Bearing Used?
You’ll often find 615-612-B Bearing in agricultural machinery, where its robust design handles dusty and demanding environments. The tapered rollers distribute loads evenly, reducing wear over time.

In mining equipment, 615-612-B Bearing’s high dynamic radial load capacity makes it reliable for heavy-duty applications. The flange helps maintain alignment, even under intense vibrations.

Built for Heavy-Duty Use: 615-612-B Bearing
615-612-B Bearing excels in forestry machinery, where its combined load capability handles both radial and thrust forces. The chrome steel rollers ensure long-lasting performance in tough conditions.

For material handling systems, 615-612-B Bearing’s standard radial clearance offers smooth operation. Its ABEC-1 rating provides a balance of precision and durability for general industrial use.

Automotive vs Aerospace: Applications of 615-612-B Bearing
In automotive drivetrains, 615-612-B Bearing’s inch sizing and load capacity make it a practical choice. The steel cage withstands the stresses of frequent starts and stops.

For aerospace ground support equipment, 615-612-B Bearing’s temperature range suits various climates. Its flanged design simplifies installation in compact spaces.

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