Motor V-Belt (Upper) - Bernina Part #0042595001 - Models 940, 950
Replacement Motor V-Belt (Upper) for Bernina Sewing Machines
Replacement upper motor V-belt designed for Bernina 940 and 950 sewing machines. This essential drive belt transfers power from the motor to the machine's drive system, ensuring smooth, reliable operation of your vintage Bernina.
Product Specifications
- Part Number: 0042595001
- Size: 5mm x 850mm
- Type: Upper motor V-belt
- Compatibility: Bernina models 940, 950
Compatible Bernina Models
940, 950
Key Features
- Upper Motor Belt: Specifically the upper V-belt in the drive system
- Essential Drive Component: Transfers power from motor to machine mechanism
- Proper Size: 5mm x 850mm for correct fit and tension
- Quality Replacement: Manufactured to meet original specifications for reliable performance
- Essential Maintenance: Belts are wear items that need periodic replacement
When to Replace Your Motor V-Belt
- Belt is cracked, frayed, or shows visible wear
- Belt has stretched and slips during operation
- Machine runs sluggishly or loses power
- Belt makes squealing or slipping noises
- Machine won't run or runs intermittently
- Belt appears glazed or shiny from heat
- As preventive maintenance every few years of regular use
Why Motor Belts Matter
The motor V-belt is a critical component in your Bernina's drive system. It transfers power from the motor to the machine's mechanism, allowing the needle to move, the feed dogs to advance fabric, and all the internal components to work together. A worn, stretched, or damaged belt can cause loss of power, slipping, or complete machine failure. Regular belt replacement is essential preventive maintenance for vintage Bernina machines.
Installation Tips
- Check belt tension after installation - should have slight give but not be loose
- Inspect pulleys for wear or damage when replacing belt
- Clean pulley surfaces before installing new belt
- Allow new belt to seat properly during initial use
- Keep a spare belt on hand for future maintenance
About Bernina 940 and 950 Models
The Bernina 940 and 950 are highly sought-after vintage sewing machines known for their robust construction and excellent stitch quality. These classic models were built to last generations with proper maintenance. Regular replacement of wear items like motor belts is essential to keep these vintage machines running smoothly and reliably.
Note
This is a quality replacement motor V-belt designed to meet original specifications. This is the upper motor belt - verify your model is 940 or 950 before ordering. Some mechanical knowledge is helpful for belt replacement.
Product Information
Product Information
Shipping & Returns
Shipping & Returns




Motor V-Belt (Upper) - Bernina Part #0042595001 - Models 940, 950
Motor V-Belt (Upper) - Bernina Part #0042595001 - Models 940, 950
Replacement Motor V-Belt (Upper) for Bernina Sewing Machines
Replacement upper motor V-belt designed for Bernina 940 and 950 sewing machines. This essential drive belt transfers power from the motor to the machine's drive system, ensuring smooth, reliable operation of your vintage Bernina.
Product Specifications
- Part Number: 0042595001
- Size: 5mm x 850mm
- Type: Upper motor V-belt
- Compatibility: Bernina models 940, 950
Compatible Bernina Models
940, 950
Key Features
- Upper Motor Belt: Specifically the upper V-belt in the drive system
- Essential Drive Component: Transfers power from motor to machine mechanism
- Proper Size: 5mm x 850mm for correct fit and tension
- Quality Replacement: Manufactured to meet original specifications for reliable performance
- Essential Maintenance: Belts are wear items that need periodic replacement
When to Replace Your Motor V-Belt
- Belt is cracked, frayed, or shows visible wear
- Belt has stretched and slips during operation
- Machine runs sluggishly or loses power
- Belt makes squealing or slipping noises
- Machine won't run or runs intermittently
- Belt appears glazed or shiny from heat
- As preventive maintenance every few years of regular use
Why Motor Belts Matter
The motor V-belt is a critical component in your Bernina's drive system. It transfers power from the motor to the machine's mechanism, allowing the needle to move, the feed dogs to advance fabric, and all the internal components to work together. A worn, stretched, or damaged belt can cause loss of power, slipping, or complete machine failure. Regular belt replacement is essential preventive maintenance for vintage Bernina machines.
Installation Tips
- Check belt tension after installation - should have slight give but not be loose
- Inspect pulleys for wear or damage when replacing belt
- Clean pulley surfaces before installing new belt
- Allow new belt to seat properly during initial use
- Keep a spare belt on hand for future maintenance
About Bernina 940 and 950 Models
The Bernina 940 and 950 are highly sought-after vintage sewing machines known for their robust construction and excellent stitch quality. These classic models were built to last generations with proper maintenance. Regular replacement of wear items like motor belts is essential to keep these vintage machines running smoothly and reliably.
Note
This is a quality replacement motor V-belt designed to meet original specifications. This is the upper motor belt - verify your model is 940 or 950 before ordering. Some mechanical knowledge is helpful for belt replacement.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Replacement Motor V-Belt (Upper) for Bernina Sewing Machines
Replacement upper motor V-belt designed for Bernina 940 and 950 sewing machines. This essential drive belt transfers power from the motor to the machine's drive system, ensuring smooth, reliable operation of your vintage Bernina.
Product Specifications
- Part Number: 0042595001
- Size: 5mm x 850mm
- Type: Upper motor V-belt
- Compatibility: Bernina models 940, 950
Compatible Bernina Models
940, 950
Key Features
- Upper Motor Belt: Specifically the upper V-belt in the drive system
- Essential Drive Component: Transfers power from motor to machine mechanism
- Proper Size: 5mm x 850mm for correct fit and tension
- Quality Replacement: Manufactured to meet original specifications for reliable performance
- Essential Maintenance: Belts are wear items that need periodic replacement
When to Replace Your Motor V-Belt
- Belt is cracked, frayed, or shows visible wear
- Belt has stretched and slips during operation
- Machine runs sluggishly or loses power
- Belt makes squealing or slipping noises
- Machine won't run or runs intermittently
- Belt appears glazed or shiny from heat
- As preventive maintenance every few years of regular use
Why Motor Belts Matter
The motor V-belt is a critical component in your Bernina's drive system. It transfers power from the motor to the machine's mechanism, allowing the needle to move, the feed dogs to advance fabric, and all the internal components to work together. A worn, stretched, or damaged belt can cause loss of power, slipping, or complete machine failure. Regular belt replacement is essential preventive maintenance for vintage Bernina machines.
Installation Tips
- Check belt tension after installation - should have slight give but not be loose
- Inspect pulleys for wear or damage when replacing belt
- Clean pulley surfaces before installing new belt
- Allow new belt to seat properly during initial use
- Keep a spare belt on hand for future maintenance
About Bernina 940 and 950 Models
The Bernina 940 and 950 are highly sought-after vintage sewing machines known for their robust construction and excellent stitch quality. These classic models were built to last generations with proper maintenance. Regular replacement of wear items like motor belts is essential to keep these vintage machines running smoothly and reliably.
Note
This is a quality replacement motor V-belt designed to meet original specifications. This is the upper motor belt - verify your model is 940 or 950 before ordering. Some mechanical knowledge is helpful for belt replacement.

