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Yoke Type Track Rollers
  • Yoke Type Track RollersYoke Type Track Rollers
  • Yoke Type Track RollersYoke Type Track Rollers
  • Yoke Type Track RollersYoke Type Track Rollers
  • Yoke Type Track RollersYoke Type Track Rollers

Yoke Type Track Rollers

At BMT Bearings, we manufacture durable Yoke Type Track Rollers designed for conveyor systems, guide rails, cam drives, automated machinery, and heavy-duty industrial applications. Built with high-grade bearing steel, precision grinding, and controlled heat treatment, our track rollers deliver stable running performance, reduced vibration, and extended service life. OEM customization and bulk supply are available for global distributors and machinery manufacturers.

In industrial transmission systems, standard bearings often fail under repeated impact loads, rail friction, or eccentric motion. BMT Bearings Yoke Type Track Rollers are specifically engineered to perform in these demanding conditions.

We have long-term experience supplying to conveyor system manufacturers, automation equipment builders, agricultural machinery producers, and packaging line integrators.

Customers typically focus on three key performance requirements:

Stable rolling performance

Long service life

Reduced maintenance frequency

To meet these needs, we continuously improve material selection, machining precision, and sealing design.


Yoke Type Track RollersYoke Type Track Rollers

What Makes BMT Yoke Type Track Rollers Different

Unlike conventional radial bearings, Yoke Type Track Rollers are designed for direct contact with tracks, rails, or cam surfaces.

This requires the outer ring to withstand:

  • Continuous surface contact
  • Repeated shock loading
  • Side-direction guiding forces
  • Dust and contaminated environments
  • To ensure durability, we apply:

  • High-carbon chrome bearing steel (GCr15)
  • Precision heat treatment for hardness stability
  • Reinforced outer ring structure
  • Low-noise grinding technology
  • High-load internal rolling elements
  • A reinforced outer ring significantly improves resistance to deformation under heavy load conditions, especially in start-stop operating systems.

    Technical Parameters

    Yoke Type Track Rollers: LR serise
    Dimensions(mm) Basic load ratings
    Designation D d C rmin. dyn. Cr w KN stat. Cor w KN
    LR50/5 NPPU 17 5 7 0.2 1.69 0.94
    LR50/6 NPPU 19 6 9 0.3 2.7 1.37
    LR50/7 NPPU 22 7 10 0.3 3.3 1.7
    LR50/8 NPPU 24 8 11 0.3 4.3 2.39
    LR5000 KDD 28 10 12 0.3 4.75 2.85
    LR5000 KDDU 28 10 12 0.3 4.75 2.85
    LR5000 NPP 28 10 12 0.3 4.75 2.85
    LR5000 NPPU 28 10 12 0.3 4.75 2.85
    LR5001 KDD 30 12 12 0.3 5.1 3.1
    LR5001 KDDU 30 12 12 0.3 5.1 3.1
    LR5001 NPP 30 12 12 0.3 5.1 3.1
    LR5001 NPPU 30 12 12 0.3 5.1 3.1
    LR5200 KDD 32 10 14 0.6 6.8 4.1
    LR5200 KDDU 32 10 14 0.6 6.8 4.1
    LR5200 NPP 32 10 14 0.6 6.8 4.1
    LR5200 NPPU 32 10 14 0.6 6.8 4.1
    LR5002 KDD 35 15 13 0.3 6.5 4.15
    LR5002 KDDU 35 15 13 0.3 6.5 4.15
    LR5002 NPP 35 15 13 0.3 6.5 4.15
    LR5002 NPPU 35 15 13 0.3 6.5 4.15
    LR5201 KDD 35 12 15.9 0.6 8.7 5.2
    LR5201 KDDU 35 12 15.9 0.6 8.7 5.2
    LR5201 NPP 35 12 15.9 0.6 8.7 5.2
    LR5201 NPPU 35 12 15.9 0.6 8.7 5.2
    LR5003 KDD 40 17 14 0.3 7.8 5.3
    LR5003 KDDU 40 17 14 0.3 7.8 5.3
    LR5003 NPP 40 17 14 0.3 7.8 5.3
    LR5003 NPPU 40 17 14 0.3 7.8 5.3
    LR5202 KDD 40 15 15.9 0.6 10 6.3
    LR5202 KDDU 40 15 15.9 0.6 10 6.3
    LR5202 NPP 40 15 15.9 0.6 10 6.3
    LR5202 NPPU 40 15 15.9 0.6 10 6.3
    LR5004 KDD 47 20 16 0.6 11.7 7.7
    LR5004 KDDU 47 20 16 0.6 11.7 7.7
    LR5004 NPPD 47 20 16 0.6 11.7 7.7
    LR5004 NPPU 47 20 16 0.6 11.7 7.7
    LR5203 KDD 47 17 17.5 0.6 12.8 8.4
    LR5203 KDDU 47 17 17.5 0.6 12.8 8.4
    LR5203 NPP 47 17 17.5 0.6 12.8 8.4
    LR5203 NPPU 47 17 17.5 0.6 12.8 8.4
    LR5005 KDD 52 25 16 0.6 11.8 8.2
    LR5005 KDDU 52 25 16 0.6 11.8 8.2
    LR5005 NPP 52 25 16 0.6 11.8 8.2
    LR5005 NPPU 52 25 16 0.6 11.8 8.2
    LR5204 KDD 52 20 20.6 1 16.1 10.7
    LR5204 KDDU 52 20 20.6 1 16.1 10.7
    LR5204 NPP 52 20 20.6 1 16.1 10.7
    LR5204 NPPU 52 20 20.6 1 16.1 10.7
    LR5303 KDD 52 17 22.2 1 17.5 11.3
    LR5303 KDDU 52 17 22.2 1 17.5 11.3
    LR5303 NPP 52 17 22.2 1 17.5 11.3
    LR5303 NPPU 52 17 22.2 1 17.5 11.3
    LR5006 KDD 62 30 19 1 16.1 11.9
    LR5006 KDDU 62 30 19 1 16.1 11.9
    LR5006 NPP 62 30 19 1 16.1 11.9
    LR5006 NPPU 62 30 19 1 16.1 11.9
    LR5205 KDD 62 25 20.6 1 18.8 13.2
    LR5205 KDDU 62 25 20.6 1 18.8 13.2
    LR5205 NPP 62 25 20.6 1 18.8 13.2
    LR5205 NPPU 62 25 20.6 1 18.8 13.2
    LR5304 KDD 62 20 22.2 1.1 21.5 14.8
    LR5304 KDDU 62 20 22.2 1.1 21.5 14.8
    LR5304 NPP 62 20 22.2 1.1 21.5 14.8
    LR5304 NPPU 62 20 22.2 1.1 21.5 14.8
    LR5007 KDD 68 35 20 1 17.8 13.3
    LR5007 KDDU 68 35 20 1 17.8 13.3
    LR5007 NPP 68 35 20 1 17.8 13.3
    LR5007 NPPU 68 35 20 1 17.8 13.3
    LR5206 KDD 72 30 23.8 1 25 18
    LR5206 KDDU 72 30 23.8 1 25 18
    LR5206 NPP 72 30 23.8 1 25 18
    LR5206 NPPU 72 30 23.8 1 25 18
    LR5305 KDD 72 25 25.4 1.1 28 19.9
    LR5305 KDDU 72 25 25.4 1.1 28 19.9
    LR5305 NPP 72 25 25.4 1.1 28 19.9
    LR5305 NPPU 72 25 25.4 1.1 28 19.9
    LR5207 KDD 80 35 27 1.1 31 22.8
    LR5207 KDDU 80 35 27 1.1 31 22.8
    LR5207 NPP 80 35 27 1.1 31 22.8
    LR5207 NPPU 80 35 27 1.1 31 22.8
    LR5306 KDD 80 30 30.2 1.1 35.5 25.5
    LR5306 KDDU 80 30 30.2 1.1 35.5 25.5
    LR5306 NPP 80 30 30.2 1.1 35.5 25.5
    LR5306 NPPU 80 30 30.2 1.1 35.5 25.5
    LR5208 KDD 85 40 30.2 1.1 35 26
    LR5208 KDDU 85 40 30.2 1.1 35 26
    LR5208 NPP 85 40 30.2 1.1 35 26
    LR5208 NPPU 85 40 30.2 1.1 35 26
    LR5307 KDD 90 35 34.9 1.5 44 32.5
    LR5307 KDDU 90 35 34.9 1.5 44 32.5
    LR5307 NPP 90 35 34.9 1.5 44 32.5
    LR5307 NPPU 90 35 34.9 1.5 44 32.5
    LR5308 KDD 100 40 36.5 1.5 54 40.5
    LR5308 KDDU 100 40 36.5 1.5 54 40.5
    LR5308 NPP 100 40 36.5 1.5 54 40.5
    LR5308 NPPU 100 40 36.5 1.5 54 40.5
    Yoke Type Track Rollers:
    NATV, NATR
    Size (mm)
    model d d2 D B C
    NATV 5 PP 5 12 16 12 11
    NATR 5 PP 5 12 16 12 11
    NATV 6 PP 6 14 19 12 11
    NATR 6 PP 6 14 19 12 11
    NATV 8 PP 8 19 24 15 14
    NATR 8 PP 8 19 24 15 14
    NATV 10 PP 10 23 30 15 14
    NATR 10 PP 10 23 30 15 14
    NATV 12 PP 12 25 32 15 14
    NATR 12 PP 12 25 32 15 14
    NATV 15 PP 15 27 35 19 18
    NATR 15 PP 15 27 35 19 18
    NATV 17 PP 17 32 40 21 20
    NATR 17 PP 17 32 40 21 20
    NATV 20 PP 20 37 47 25 24
    NATR 20 PP 20 37 47 25 24
    NATV 25 PP 25 42 52 25 24
    NATR 25 PP 25 42 52 25 24
    NATV 30 PP 30 51 62 29 28
    NATR 30 PP 30 51 62 29 28
    NATV 35 PP 35 58 72 29 28
    NATR 35 PP 35 58 72 29 28
    NATV 40 PP 40 66 80 32 30
    NATR 40 PP 40 66 80 32 30
    NATV 45 PP 45 72 85 32 30
    NATR 45 PP 45 72 85 32 30
    NATV 50 PP 50 76 90 32 30
    NATR 50 PP 50 76 90 32 30
    NUTR PWTR
    Dimensions(mm) Basic load ratings
    Designation D d B C d1 rmin. r1min. dyn. Cr KN stat. Cor KN Fr permKN For permKN
    NUTR15 35 15 19 18 20 0.6 0.3 15 16.8 8.6 16.8
    PWTR15-2RS 35 15 19 18 20 0.6 0.3 11.6 11.3 9.4 11.3
    NUTR17 40 17 21 20 22 1 0.5 18.4 22.6 13.1 22.6
    PWTR17-2RS 40 17 21 20 22 1 0.5 13.2 13.8 13.8 13.8
    NUTR1542 42 15 19 18 20 0.6 0.3 18.1 21.9 21.9 21.9
    PWTR1542-2RS 42 15 19 18 20 0.6 0.3 13.5 14.1 14.1 14.1
    NUTR1747 47 17 21 20 22 1 0.5 21.3 28 28 28
    PWTR1747-2RS 47 17 21 20 22 1 0.5 14.8 16.4 16.4 16.4
    NUTR20 47 20 25 24 27 1 0.5 28 35 16.4 33
    PWTR20-2RS 47 20 25 24 27 1 0.5 23.2 25.5 18.3 25.5
    NUTR2052 52 20 25 24 27 1 0.5 31.5 41 38.5 41
    PWTR2052-2RS 52 20 25 24 27 1 0.5 25.5 29.5 29.5 29.5
    NUTR25 52 25 25 24 31 1 0.5 29 37.5 17.3 34.5
    PWTR25-2RS 52 25 25 24 31 1 0.5 24.2 28 19.3 28
    NUTR2562 62 25 25 24 31 1 0.5 35.5 50 50 50
    PWTR2562-2RS 62 25 25 24 31 1 0.5 29 36 36 36
    NUTR30 62 30 29 28 38 1 0.5 40 50 23.5 46.5
    PWTR30-2RS 62 30 29 28 38 1 0.5 35 39.5 25.5 39.5
    NUTR3072 72 30 29 28 38 1 0.5 47.5 64 64 64
    PWTR3072-2RS 72 30 29 28 38 1 0.5 41 49 49 49
    NUTR35 72 35 29 28 44 1.1 0.6 44.5 60 32 60
    PWTR35-2RS 72 35 29 28 44 1.1 0.6 38.5 46.5 34.5 46.5
    NUTR3580 80 35 29 28 44 1.1 0.6 51 72 72 72
    PWTR3580-2RS 80 35 29 28 44 1.1 0.6 43.5 55 55 55
    NUTR40 80 40 32 30 50.5 1.1 0.6 55 75 30.5 60
    PWTR40-2RS 80 40 32 30 50.5 1.1 0.6 44.5 53 35 53
    NUTR45 85 45 32 30 55.2 1.1 0.6 56 78 31.5 61
    PWTR45-2RS 85 45 32 30 55.2 1.1 0.6 45 55 36 55
    NUTR4090 90 40 32 30 50.5 1.1 0.6 66 95 84 95
    PWTR4090-2RS 90 40 32 30 50.5 1.1 0.6 52 66 66 66
    NUTR50 90 50 32 30 59.8 1.1 0.6 57 81 32 62
    PWTR50-2RS 90 50 32 30 59.8 1.1 0.6 45.5 57 37 57
    NUTR45100 100 45 32 30 55.2 1.1 0.6 71 107 106 107
    PWTR45100-2RS 100 45 32 30 55.2 1.1 0.6 56 74 74 74
    NUTR50110 110 50 32 30 59.8 1.1 0.6 76 120 120 120
    PWTR50110-2RS 110 50 32 30 59.8 1.1 0.6 59 82 82 82

    Stable Performance in Continuous Industrial Operation

    Our Yoke Type Track Rollers are widely used in:

  • Conveyor guide systems
  • Forklift mast rollers
  • Cam drive mechanisms
  • Textile machinery
  • Packaging equipment
  • Automated production lines
  • These environments often involve long operating hours, vibration, dust exposure, and uneven load distribution.

    To improve reliability, we focus on:

    Raceway Grinding Precision Automated grinding ensures smooth rolling and reduced noise.

    Heat Treatment Consistency Stable hardness prevents early fatigue cracking and improves contact life.

    Sealing Design Options Sealed structures help prevent dust, moisture, and contamination ingress.

    Proper lubrication combined with sealing significantly improves long-term performance in continuous production systems.

    Materials & Manufacturing Process

    We prioritize real industrial performance through controlled production processes.

    Bearing Materials

  • GCr15 bearing steel (standard)
  • Carbon steel (special applications)
  • Stainless steel (corrosive or humid environments)
  • Material selection depends on load, temperature, and working conditions.

    Production Workflow

    1. Raw material inspection
    2. Forging / CNC turning
    3. Heat treatment
    4. Precision grinding
    5. Assembly
    6. Noise and clearance inspection
    7. Anti-rust treatment
    8. Final packaging inspection

    Every batch is inspected before shipment to ensure consistent quality.

    Why Use Yoke Type Track Rollers Instead of Standard Bearings

    Traditional bearings are not designed for direct rail or track contact. Long-term use in such conditions may lead to:

  • Surface fatigue
  • Running deviation
  • Increased vibration
  • Frequent replacement
  • Yoke Type Track Rollers are specifically engineered for rolling contact on guiding surfaces. Their outer ring geometry helps distribute load more evenly and reduces localized stress.

    This makes them more suitable for:

  • Linear motion systems
  • Cam-driven mechanisms
  • High-frequency reciprocating movement

  • Available Types & OEM Customization

    We supply a wide range of designs to match different machine structures:

  • Cylindrical outer ring track rollers
  • Crowned outer ring track rollers
  • Needle roller type track rollers
  • Sealed track rollers
  • Heavy-duty yoke type rollers
  • OEM Services

  • Non-standard dimensions
  • Special surface coatings
  • Customized branding & packaging
  • Lubrication specification
  • Clearance adjustment
  • We support OEM projects for global machinery manufacturers.

    Quality Control & Production Capacity

    BMT Bearings operates automated grinding and assembly lines with large-scale production capacity.

    We follow ISO9001 and IATF 16949 quality management systems.

    Each product is tested for:

  • Dimensional accuracy
  • Radial clearance
  • Noise level
  • Rotation smoothness
  • Surface defects
  • Hardness consistency
  • Anti-rust packaging is applied for export shipments to ensure safe transportation.

    Applications

    Industrial Automation

    Used in linear motion systems and automated conveyor lines.

    Textile Machinery

    Supports stable operation under continuous vibration and high-speed movement.

    Agricultural Machinery

    Performs reliably in dust, mud, and outdoor environments.

    Packaging Systems

    Improves motion accuracy in high-speed production lines.

    Material Handling Equipment

    Widely used in lifting systems, guide rails, and heavy-load transport equipment.

    Engineering Support & Export Experience

    With years of export experience across Europe, Asia, South America, and the Middle East, we provide engineering-based product selection support.

    When drawings or application details are provided, our team evaluates:

  • Load conditions
  • Speed requirements
  • Installation structure
  • Working environment
  • Lubrication method
  • This ensures a more suitable technical solution instead of simple size matching.

    Recommended Operating Conditions

    To maximize service life, we recommend:

  • Proper lubrication intervals
  • Accurate shaft and rail alignment
  • Avoiding overload impact
  • Using sealed designs in dusty environments
  • Well-machined rail surfaces and correct hardness matching significantly improve performance stability.

    About BMT Bearings

    BMT Bearings focuses on practical industrial bearing performance, not just theoretical specifications.

    From raw material selection to precision grinding and final inspection, every step is controlled to ensure stable operation in real working environments.

    We welcome OEM cooperation, bulk orders, and long-term distributor partnerships worldwide.

    BMT Factory

    FAQ

    1. What is a Yoke Type Track Roller used for?

    Yoke Type Track Rollers are designed for linear or guiding motion systems where the bearing runs directly on a track, rail, or cam surface. They are widely used in conveyor systems, automation equipment, packaging machines, and material handling systems.

    2. What is the difference between a Yoke Type Track Roller and a standard bearing?

    Standard bearings are mainly designed for rotational motion inside a housing, while Yoke Type Track Rollers are designed for direct contact with external guiding surfaces. They can handle:

  • Higher radial and shock loads
  • Continuous rail contact
  • Side thrust and misalignment better than standard bearings
  • 3. What materials are used in BMT Track Rollers?

    We commonly use:

  • GCr15 chrome bearing steel (standard)
  • Carbon steel (special applications)
  • Stainless steel (humid or corrosive environments)
  • Material selection depends on load conditions and working environment.

    4. Can Yoke Type Track Rollers work in dusty or outdoor environments?

    Yes. We offer sealed and reinforced versions designed for:

  • Dust exposure
  • Moisture and humidity
  • Outdoor agricultural machinery conditions
  • Proper sealing and lubrication greatly improve service life in harsh environments.

    Hot Tags: Yoke Type Track Rollers
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