4.455
SUMA
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4.455 Heavy Duty Track Roller Bearing High Load Combined Bearings
Product Overview of Combined Roller Bearings
The SUMA Combined Roller Bearing is designed for high-precision linear guiding and sliding systems in industrial applications.
Thanks to its eccentric adjustable axial bearing, installation tolerances can be compensated easily, allowing precise alignment and eliminating clearance after assembly.
The bearing is pre-lubricated for life and equipped with 2RS / ZRS seals, ensuring smooth operation, long service life, and minimal maintenance even under continuous operation.
Eccentric Axial Adjustment Design
Allows fine axial adjustment after installation to compensate rail or mounting tolerances
Combined Roller Bearing Structure
Capable of handling both radial and axial loads in a compact design
High Rigidity Bearing Body
Ensures stability, accuracy, and durability under continuous and heavy-duty operation
Double Sealing (2RS / ZRS)
Excellent protection against dust and contaminants
Lifetime Lubrication
Maintenance-free operation, reduced downtime and service costs
Parameter of 4.455 Combined Roller Bearings for reference
| Model No. | D (mm) | T (mm) | d (mm) | H (mm) | h (mm) | B (mm) | A (mm) | S (mm) | r (mm) |
| 4.454 | 62.5 | 42 | 30 | 37.5–39.0 | 30.5–32.0 | 20 | 4.0–5.5 | 20 | 3 |
| 4.455 | 70.1 | 48 | 35 | 44.0–45.5 | 36.0–37.5 | 23 | 4.0–5.5 | 20 | 4.5 |
| 4.456 | 77.7 | 54 | 40 | 48.0–49.5 | 37.0–38.5 | 23 | 3.5–5.0 | 26 | 4.5 |
| 4.457 | 77.7 | 54 | 40 | 40.0–41.5 | 29.0–30.5 | 23 | 3.5–5.0 | 26 | 4.5 |
| 4.458 | 88.4 | 59 | 45 | 57.0–58.5 | 44.0–45.5 | 30 | 4.0–5.5 | 26 | 4 |
| 4.459 | 101.6 | 69 | 50 | 46.0–48.0 | 33.0–35.0 | 26 | 4.5–6.5 | 30 | 4 |
| 4.460 | 108.5 | 69 | 55 | 54.0–56.0 | 40.0–42.0 | 31 | 4.0–6.0 | 30 | 4 |
| 4.461 | 107.7 | 69 | 60 | 69.0–71.0 | 55.0–57.0 | 31 | 4.0–6.0 | 30 | 5 |
| 4.462 | 123 | 80 | 60 | 72.3–76.3 | 56.0–60.0 | 37 | 5.0–9.0 | 34 | 5 |
| 4.463 | 149.4 | 108 | 60 | 77.5–81.5 | 58.5–62.5 | 45 | 6.0–10.0 | 34 | 5 |
| 4.464 | 170 | 103 | 80 | 91.0–94.0 | 72.0–75.0 | 53 | 7.0–10.0 | 50 | 5 |
| 4.085 | 180 | 124 | 100 | 95.7–98.7 | 76.3–79.3 | 57.3 | 6.5–9.5 | 60 | 3 |


Loosen the fixing screws
Rotate the eccentric axle (the axial bearing position changes accordingly)
Measure dimension A and repeat adjustment if necessary
Secure screws with thread-locking compound
Lock the screws to complete installation
Note: From model 4.462 onwards, a new-generation eccentric adjustment design is applied, offering an extended adjustment range for higher load applications.
Linear guide systems
Automation and assembly lines
Conveyor and transport systems
Packaging and processing machinery
Machine tools and guarding systems
Heavy-duty sliding and guiding rails

FAQ
1. Are you Trading Company or Manufacturer for Combined Roller Bearing ?
SUMA is Manufacturer with one-stop service , Production history over 20 years, exporting experience up to 10 years .
2. Can i have Samples to check quality first ?
It is okay to get combined bearing sample for quality check, we provide 5-10 pieces sample free of charge.
3. How can i choose the correct combined roller bearing i need ?
Dimensions Torque capacity , Rotation Speed , and Dimensions are necessary to choose the right model.
If you not so sure about it, pls share with us, our engineer will give you professional guidance .
4. What Material of the combined bearings you are supplied ?
Standard Material : Bearing Steel GCr15
5. How soon you can make the shipment of combined bearings ?
Usually all are in stock, can ship out within 2-3 days .
If big quantity, can ship out in 10 days .
Customized sizes may need 15-20 days , Depends on specific order.
4.455 Heavy Duty Track Roller Bearing High Load Combined Bearings
Product Overview of Combined Roller Bearings
The SUMA Combined Roller Bearing is designed for high-precision linear guiding and sliding systems in industrial applications.
Thanks to its eccentric adjustable axial bearing, installation tolerances can be compensated easily, allowing precise alignment and eliminating clearance after assembly.
The bearing is pre-lubricated for life and equipped with 2RS / ZRS seals, ensuring smooth operation, long service life, and minimal maintenance even under continuous operation.
Eccentric Axial Adjustment Design
Allows fine axial adjustment after installation to compensate rail or mounting tolerances
Combined Roller Bearing Structure
Capable of handling both radial and axial loads in a compact design
High Rigidity Bearing Body
Ensures stability, accuracy, and durability under continuous and heavy-duty operation
Double Sealing (2RS / ZRS)
Excellent protection against dust and contaminants
Lifetime Lubrication
Maintenance-free operation, reduced downtime and service costs
Parameter of 4.455 Combined Roller Bearings for reference
| Model No. | D (mm) | T (mm) | d (mm) | H (mm) | h (mm) | B (mm) | A (mm) | S (mm) | r (mm) |
| 4.454 | 62.5 | 42 | 30 | 37.5–39.0 | 30.5–32.0 | 20 | 4.0–5.5 | 20 | 3 |
| 4.455 | 70.1 | 48 | 35 | 44.0–45.5 | 36.0–37.5 | 23 | 4.0–5.5 | 20 | 4.5 |
| 4.456 | 77.7 | 54 | 40 | 48.0–49.5 | 37.0–38.5 | 23 | 3.5–5.0 | 26 | 4.5 |
| 4.457 | 77.7 | 54 | 40 | 40.0–41.5 | 29.0–30.5 | 23 | 3.5–5.0 | 26 | 4.5 |
| 4.458 | 88.4 | 59 | 45 | 57.0–58.5 | 44.0–45.5 | 30 | 4.0–5.5 | 26 | 4 |
| 4.459 | 101.6 | 69 | 50 | 46.0–48.0 | 33.0–35.0 | 26 | 4.5–6.5 | 30 | 4 |
| 4.460 | 108.5 | 69 | 55 | 54.0–56.0 | 40.0–42.0 | 31 | 4.0–6.0 | 30 | 4 |
| 4.461 | 107.7 | 69 | 60 | 69.0–71.0 | 55.0–57.0 | 31 | 4.0–6.0 | 30 | 5 |
| 4.462 | 123 | 80 | 60 | 72.3–76.3 | 56.0–60.0 | 37 | 5.0–9.0 | 34 | 5 |
| 4.463 | 149.4 | 108 | 60 | 77.5–81.5 | 58.5–62.5 | 45 | 6.0–10.0 | 34 | 5 |
| 4.464 | 170 | 103 | 80 | 91.0–94.0 | 72.0–75.0 | 53 | 7.0–10.0 | 50 | 5 |
| 4.085 | 180 | 124 | 100 | 95.7–98.7 | 76.3–79.3 | 57.3 | 6.5–9.5 | 60 | 3 |


Loosen the fixing screws
Rotate the eccentric axle (the axial bearing position changes accordingly)
Measure dimension A and repeat adjustment if necessary
Secure screws with thread-locking compound
Lock the screws to complete installation
Note: From model 4.462 onwards, a new-generation eccentric adjustment design is applied, offering an extended adjustment range for higher load applications.
Linear guide systems
Automation and assembly lines
Conveyor and transport systems
Packaging and processing machinery
Machine tools and guarding systems
Heavy-duty sliding and guiding rails

FAQ
1. Are you Trading Company or Manufacturer for Combined Roller Bearing ?
SUMA is Manufacturer with one-stop service , Production history over 20 years, exporting experience up to 10 years .
2. Can i have Samples to check quality first ?
It is okay to get combined bearing sample for quality check, we provide 5-10 pieces sample free of charge.
3. How can i choose the correct combined roller bearing i need ?
Dimensions Torque capacity , Rotation Speed , and Dimensions are necessary to choose the right model.
If you not so sure about it, pls share with us, our engineer will give you professional guidance .
4. What Material of the combined bearings you are supplied ?
Standard Material : Bearing Steel GCr15
5. How soon you can make the shipment of combined bearings ?
Usually all are in stock, can ship out within 2-3 days .
If big quantity, can ship out in 10 days .
Customized sizes may need 15-20 days , Depends on specific order.