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TS (Single Row Tapered Roller Bearings) (Metric) 30307
TS (Single Row Tapered Roller Bearings) (Metric) 30307

TS (Single Row Tapered Roller Bearings) (Metric) 30307

The 1975-1931-B is a single row tapered roller bearing with a flange, measuring 0.875″ x 2.375″ x 0.762″. Made from durable chrome steel, it handles combined loads with a dynamic radial load capacity of 10900 lbf.

Its flanged cup design keeps it securely in place, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing just 0.8 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements. The standard radial clearance can also be adjusted to C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 30307
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 35 mm x 80 mm x 22.75 mm
  • Cone Part Number X30307M
  • Cup Part Number Y30307M
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.016mm to 0
  • Cone Width 21 mm
  • Cone Width Tolerance -0.1mm to 0
  • Cup Width 18 mm
  • Cup Width Tolerance -0.15mm to 0
  • Width 22.75 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 2.03 mm
  • Cup Backface ToClear Radius 1.52 mm
  • Cone Frontface Backing Diameter 43.5 mm
  • Cone Backface Backing Diameter 46.5 mm
  • Cup Frontface Backing Diameter 75.90 mm
  • Cup Backface Backing Diameter 71.88 mm
  • Cage Cone Frontface Clearance 4.3 mm
  • Cage Cone Backface Clearance 0 mm
  • Effective Center Location -5.8 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 30307M
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19620 lbf
  • Static Radial Load 19372 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5085 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2745 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 1.10 lb

Features

Performance Features of 1975-1931-B Bearing

1975-1931-B Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 10,900 lbf, ensuring reliable operation in demanding conditions.

The tapered roller design provides effective load distribution, reducing wear and extending service life.
With a flanged cup, 1975-1931-B Bearing offers secure mounting and alignment in various applications.

This bearing operates efficiently within a temperature range of -30° to 110°C, suitable for diverse environments.
Its standard radial clearance ensures smooth performance, with options for C3, C4, or C5 clearances if needed.

Application

Industrial Uses of 1975-1931-B Bearing
1975-1931-B Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The flanged cup adds stability, making it suitable for applications with frequent alignment adjustments.

In automotive systems, 1975-1931-B Bearing works well in wheel hubs and differentials, thanks to its chrome steel construction and reliable load capacity. Its imperial sizing ensures compatibility with older or North American vehicle models.

For industrial conveyor systems, 1975-1931-B Bearing’s open design allows for easy lubrication, extending service life in dusty or high-load environments. The steel cage provides durability under continuous operation.

Where Is 1975-1931-B Bearing Used?
You’ll often find 1975-1931-B Bearing in mining equipment, where its robust design withstands harsh conditions and heavy radial loads. The tapered rollers distribute stress evenly, reducing wear over time.

In manufacturing machinery, 1975-1931-B Bearing supports rotating shafts and gears, ensuring smooth operation even under varying load directions. The ABEC-1 rating offers a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 1975-1931-B Bearing
1975-1931-B Bearing excels in forestry equipment, where its flanged cup prevents misalignment during rough operation. The chrome steel rollers resist deformation under high stress.

For power transmission systems, 1975-1931-B Bearing’s dynamic load rating makes it a dependable choice for gearboxes and pulleys. Its standard radial clearance accommodates thermal expansion in most operating conditions.

Automotive vs Aerospace: Applications of 1975-1931-B Bearing
In automotive applications, 1975-1931-B Bearing is often used in truck axles, where its combined load capacity handles both radial and thrust forces. The inch measurements simplify replacements in older vehicles.

For aerospace ground support equipment, 1975-1931-B Bearing provides reliable performance in tow tractors and loading systems. Its temperature range suits typical outdoor operating conditions.

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