Cog Hook Drive Belt - Bernina Part #0023975000
Replacement Cog Hook Drive Belt for Bernina Sewing Machines
Replacement cog hook drive belt designed for select Bernina sewing machines. This toothed belt drives the rotary hook assembly, ensuring precise hook rotation and timing for proper bobbin thread pickup and stitch formation.
Product Specifications
- Part Number: 0023975000
- Type: 113XL025 cog hook drive belt
- Teeth: 113 teeth
- Function: Drives the rotary hook assembly
- Compatibility: Select Bernina models (see list below)
Compatible Bernina Models
1000 Series: 1000, 1000+, 1001, 1070, 1080, 1630
Artista Series: 180, 185, 200
Other Models: 190
Key Features
- Hook Drive Belt: Specifically drives the rotary hook assembly for bobbin thread pickup
- Toothed Design: 113 teeth provide precise, positive engagement for accurate hook rotation
- 113XL025 Specification: Proper size and tooth profile for correct fit
- Critical Component: Essential for proper hook timing and stitch formation
- Quality Replacement: Manufactured to meet original specifications for reliable performance
When to Replace Your Hook Drive Belt
- Belt is cracked, frayed, or shows visible wear
- Teeth are damaged, worn, or missing
- Belt has stretched and hook timing is affected
- Machine skips stitches or forms irregular stitches
- Thread loops on bottom of fabric
- Hook doesn't pick up bobbin thread consistently
- Belt makes unusual noises during operation
- As preventive maintenance during major service
Understanding the Hook Drive Belt
The hook drive belt is a critical component that drives the rotary hook assembly in your Bernina sewing machine. The rotary hook rotates around the bobbin case to pick up the bobbin thread and form each stitch. This belt must maintain precise timing and smooth rotation for proper stitch formation. A worn or damaged hook drive belt can cause skipped stitches, thread loops, or inconsistent stitch quality.
Hook Drive Belt vs. Other Belts
Bernina machines use different types of belts for different functions:
- Hook Drive Belt (Part #0023975000): Drives the rotary hook assembly - this product
- Motor Belts (Upper/Lower): Transfer power from motor to machine
- Timing Belts: Control internal timing and synchronization
Each belt serves a specific function and they are not interchangeable.
Installation Tips
- Hook drive belt replacement may require timing verification
- Check hook rotation for smooth, consistent movement
- Inspect pulleys and hook assembly for wear or damage
- Ensure teeth properly mesh with pulley grooves
- Verify proper hook-to-needle timing after installation
- Test stitch formation thoroughly after replacement
- Consider professional service if unfamiliar with hook systems
About These Bernina Models
These Bernina models use rotary hook systems driven by toothed belts for precise, reliable stitch formation. The hook drive belt is essential for maintaining proper hook rotation and timing. Regular inspection and replacement of worn belts helps ensure consistent stitch quality and prevents mechanical issues.
Note
This is a quality replacement cog hook drive belt designed to meet original specifications. Hook drive belt replacement may require timing verification and is an intermediate to advanced repair. Verify your model is listed before ordering. If you're not experienced with hook systems, consider having this service performed by a qualified technician.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Cog Hook Drive Belt - Bernina Part #0023975000
Cog Hook Drive Belt - Bernina Part #0023975000
Replacement Cog Hook Drive Belt for Bernina Sewing Machines
Replacement cog hook drive belt designed for select Bernina sewing machines. This toothed belt drives the rotary hook assembly, ensuring precise hook rotation and timing for proper bobbin thread pickup and stitch formation.
Product Specifications
- Part Number: 0023975000
- Type: 113XL025 cog hook drive belt
- Teeth: 113 teeth
- Function: Drives the rotary hook assembly
- Compatibility: Select Bernina models (see list below)
Compatible Bernina Models
1000 Series: 1000, 1000+, 1001, 1070, 1080, 1630
Artista Series: 180, 185, 200
Other Models: 190
Key Features
- Hook Drive Belt: Specifically drives the rotary hook assembly for bobbin thread pickup
- Toothed Design: 113 teeth provide precise, positive engagement for accurate hook rotation
- 113XL025 Specification: Proper size and tooth profile for correct fit
- Critical Component: Essential for proper hook timing and stitch formation
- Quality Replacement: Manufactured to meet original specifications for reliable performance
When to Replace Your Hook Drive Belt
- Belt is cracked, frayed, or shows visible wear
- Teeth are damaged, worn, or missing
- Belt has stretched and hook timing is affected
- Machine skips stitches or forms irregular stitches
- Thread loops on bottom of fabric
- Hook doesn't pick up bobbin thread consistently
- Belt makes unusual noises during operation
- As preventive maintenance during major service
Understanding the Hook Drive Belt
The hook drive belt is a critical component that drives the rotary hook assembly in your Bernina sewing machine. The rotary hook rotates around the bobbin case to pick up the bobbin thread and form each stitch. This belt must maintain precise timing and smooth rotation for proper stitch formation. A worn or damaged hook drive belt can cause skipped stitches, thread loops, or inconsistent stitch quality.
Hook Drive Belt vs. Other Belts
Bernina machines use different types of belts for different functions:
- Hook Drive Belt (Part #0023975000): Drives the rotary hook assembly - this product
- Motor Belts (Upper/Lower): Transfer power from motor to machine
- Timing Belts: Control internal timing and synchronization
Each belt serves a specific function and they are not interchangeable.
Installation Tips
- Hook drive belt replacement may require timing verification
- Check hook rotation for smooth, consistent movement
- Inspect pulleys and hook assembly for wear or damage
- Ensure teeth properly mesh with pulley grooves
- Verify proper hook-to-needle timing after installation
- Test stitch formation thoroughly after replacement
- Consider professional service if unfamiliar with hook systems
About These Bernina Models
These Bernina models use rotary hook systems driven by toothed belts for precise, reliable stitch formation. The hook drive belt is essential for maintaining proper hook rotation and timing. Regular inspection and replacement of worn belts helps ensure consistent stitch quality and prevents mechanical issues.
Note
This is a quality replacement cog hook drive belt designed to meet original specifications. Hook drive belt replacement may require timing verification and is an intermediate to advanced repair. Verify your model is listed before ordering. If you're not experienced with hook systems, consider having this service performed by a qualified technician.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Replacement Cog Hook Drive Belt for Bernina Sewing Machines
Replacement cog hook drive belt designed for select Bernina sewing machines. This toothed belt drives the rotary hook assembly, ensuring precise hook rotation and timing for proper bobbin thread pickup and stitch formation.
Product Specifications
- Part Number: 0023975000
- Type: 113XL025 cog hook drive belt
- Teeth: 113 teeth
- Function: Drives the rotary hook assembly
- Compatibility: Select Bernina models (see list below)
Compatible Bernina Models
1000 Series: 1000, 1000+, 1001, 1070, 1080, 1630
Artista Series: 180, 185, 200
Other Models: 190
Key Features
- Hook Drive Belt: Specifically drives the rotary hook assembly for bobbin thread pickup
- Toothed Design: 113 teeth provide precise, positive engagement for accurate hook rotation
- 113XL025 Specification: Proper size and tooth profile for correct fit
- Critical Component: Essential for proper hook timing and stitch formation
- Quality Replacement: Manufactured to meet original specifications for reliable performance
When to Replace Your Hook Drive Belt
- Belt is cracked, frayed, or shows visible wear
- Teeth are damaged, worn, or missing
- Belt has stretched and hook timing is affected
- Machine skips stitches or forms irregular stitches
- Thread loops on bottom of fabric
- Hook doesn't pick up bobbin thread consistently
- Belt makes unusual noises during operation
- As preventive maintenance during major service
Understanding the Hook Drive Belt
The hook drive belt is a critical component that drives the rotary hook assembly in your Bernina sewing machine. The rotary hook rotates around the bobbin case to pick up the bobbin thread and form each stitch. This belt must maintain precise timing and smooth rotation for proper stitch formation. A worn or damaged hook drive belt can cause skipped stitches, thread loops, or inconsistent stitch quality.
Hook Drive Belt vs. Other Belts
Bernina machines use different types of belts for different functions:
- Hook Drive Belt (Part #0023975000): Drives the rotary hook assembly - this product
- Motor Belts (Upper/Lower): Transfer power from motor to machine
- Timing Belts: Control internal timing and synchronization
Each belt serves a specific function and they are not interchangeable.
Installation Tips
- Hook drive belt replacement may require timing verification
- Check hook rotation for smooth, consistent movement
- Inspect pulleys and hook assembly for wear or damage
- Ensure teeth properly mesh with pulley grooves
- Verify proper hook-to-needle timing after installation
- Test stitch formation thoroughly after replacement
- Consider professional service if unfamiliar with hook systems
About These Bernina Models
These Bernina models use rotary hook systems driven by toothed belts for precise, reliable stitch formation. The hook drive belt is essential for maintaining proper hook rotation and timing. Regular inspection and replacement of worn belts helps ensure consistent stitch quality and prevents mechanical issues.
Note
This is a quality replacement cog hook drive belt designed to meet original specifications. Hook drive belt replacement may require timing verification and is an intermediate to advanced repair. Verify your model is listed before ordering. If you're not experienced with hook systems, consider having this service performed by a qualified technician.





















