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Hello visitor from
USA - 65 visiting now from 48 USA 12 China 3 Singapore 2 Germany
Mini Bearing 681xzz 681x 681 Deep Groove Ball Bearing
Posted at: Offers to Sell and Export | Posted on: Wednesday 9 September 2026 1:07 am | Poster last visit: Wednesday 9 September 2026 |
Product Category: Main
» Manufacturing Components and Supplies
» Bearings and bushings and wheels and gears
» Bearings
» Ball bearings
» Mini Bearing 681xzz 681x 681 Deep Groove Ball Bearing
Product Description:
mini bearing 681XZZ 681X 681 deep groove ball bearing
Specification
RMO supplies 681XZZ, 681X and 681
miniature deep groove ball bearings for compact motors, precision instruments, small transmission systems and other space-limited assemblies. These miniature bearings are available in different bore, outer diameter, width, material and closure configurations to match specific shaft sizes and installation requirements.
For buyers replacing an existing 681XZZ bearing or specifying a new miniature bearing, confirm the bearing number and d × D × B dimensions before ordering.
681XZZ, 681X and 681 Bearing Size Comparison
Model Bore ID (d) Outer Diameter (D) Width (B) Type
681XZZ 1.5 mm 4 mm 2 mm Double metal shielded
681X 1.5 mm 4 mm 1.2 mm Open miniature bearing
681 1 mm 3 mm 1 mm Open miniature bearing
Important: 681XZZ, 681X and 681 are not dimensionally identical. If you are replacing an existing micro bearing, check the bearing marking or measure the bore, outer diameter and width before requesting a quote.
681 Bearing Technical Parameters
Model Number 681XZZ / 681X / 681
Size 1.5x4x1.2mm
Weight 0.0001KG
Material Chrome Steel (GCr15) / Stainless Steel (AISI 440C)
Clearance C2 C0 C3 C4
Precision Grade p0
Dynamic Load Rating 32 N
Static Load Rating 12 N
Max Speed (Grease Lubrication) 180, 000 RPM
Payment 100% T/T or 30% T/T before production, 70% before delivery
Lubrication Pre-lubricated with High-Performance Grease
Temperature Range -20°C to +120°C
Lead Time 3-5 Days
Need load rating, permissible speed, detailed tolerances, grease information or application-specific technical data? Contact RMO with your operating conditions and required quantity for confirmation.
681XZZ Mini Bearing Overview
The 681XZZ Mini Bearing is a super-small deep groove ball bearing designed for compact precision devices that demand smooth rotation, low noise, and high-speed performance.
With advanced manufacturing accuracy and durable materials, the 681XZZ bearing is widely used in micro motors, robotics, medical devices, office automation, and instrumentation systems.
Built to ISO standards, RMO’s miniature bearings deliver exceptional consistency, longevity, and performance stability across diverse applications.As a trusted Deep Groove Ball Bearing Manufacturer, RMO ensures every bearing meets strict quality requirements for precision, durability, and smooth operation.
How to Choose Between 681XZZ, 681X and 681
Requirement Recommended Model Reason
1.5 mm shaft with dust protection 681XZZ bearing 1.5 × 4 × 2 mm with double metal shields
1.5 mm shaft with minimum bearing width 681X bearing 1.2 mm width for very compact assemblies
1 mm shaft and extremely limited space 681 bearing 1 × 3 × 1 mm miniature structure
If your design requires another sealing structure, precision level, clearance or lubrication method, RMO can review the requirement through our custom bearing service.
Company Contact:
Contact Name: Rmobearing
Company Name: Guangzhou Rimao Bearing Co., Ltd.
Email:
Tel: 13650781568
Fax:
Street Address: Room 407, Shengheng
Business Center, No. 44, Nanzhou
Road, Haizhu District, Guangzhou
Guangdong, Guangdong 510200
China
Website: https://www.rmobearing.com/
Member name: rmbearing
Country: China
Member Since: 09 September 2026
Total Leads: 3 rmbearing Import Export Business Leads
Business focus: Ball Bearing, Door, Window Pulley
Verify: Safe Import Export Tips
Specification
RMO supplies 681XZZ, 681X and 681
miniature deep groove ball bearings for compact motors, precision instruments, small transmission systems and other space-limited assemblies. These miniature bearings are available in different bore, outer diameter, width, material and closure configurations to match specific shaft sizes and installation requirements.
For buyers replacing an existing 681XZZ bearing or specifying a new miniature bearing, confirm the bearing number and d × D × B dimensions before ordering.
681XZZ, 681X and 681 Bearing Size Comparison
Model Bore ID (d) Outer Diameter (D) Width (B) Type
681XZZ 1.5 mm 4 mm 2 mm Double metal shielded
681X 1.5 mm 4 mm 1.2 mm Open miniature bearing
681 1 mm 3 mm 1 mm Open miniature bearing
Important: 681XZZ, 681X and 681 are not dimensionally identical. If you are replacing an existing micro bearing, check the bearing marking or measure the bore, outer diameter and width before requesting a quote.
681 Bearing Technical Parameters
Model Number 681XZZ / 681X / 681
Size 1.5x4x1.2mm
Weight 0.0001KG
Material Chrome Steel (GCr15) / Stainless Steel (AISI 440C)
Clearance C2 C0 C3 C4
Precision Grade p0
Dynamic Load Rating 32 N
Static Load Rating 12 N
Max Speed (Grease Lubrication) 180, 000 RPM
Payment 100% T/T or 30% T/T before production, 70% before delivery
Lubrication Pre-lubricated with High-Performance Grease
Temperature Range -20°C to +120°C
Lead Time 3-5 Days
Need load rating, permissible speed, detailed tolerances, grease information or application-specific technical data? Contact RMO with your operating conditions and required quantity for confirmation.
681XZZ Mini Bearing Overview
The 681XZZ Mini Bearing is a super-small deep groove ball bearing designed for compact precision devices that demand smooth rotation, low noise, and high-speed performance.
With advanced manufacturing accuracy and durable materials, the 681XZZ bearing is widely used in micro motors, robotics, medical devices, office automation, and instrumentation systems.
Built to ISO standards, RMO’s miniature bearings deliver exceptional consistency, longevity, and performance stability across diverse applications.As a trusted Deep Groove Ball Bearing Manufacturer, RMO ensures every bearing meets strict quality requirements for precision, durability, and smooth operation.
How to Choose Between 681XZZ, 681X and 681
Requirement Recommended Model Reason
1.5 mm shaft with dust protection 681XZZ bearing 1.5 × 4 × 2 mm with double metal shields
1.5 mm shaft with minimum bearing width 681X bearing 1.2 mm width for very compact assemblies
1 mm shaft and extremely limited space 681 bearing 1 × 3 × 1 mm miniature structure
If your design requires another sealing structure, precision level, clearance or lubrication method, RMO can review the requirement through our custom bearing service.
Company Contact:
Contact Name: Rmobearing
Company Name: Guangzhou Rimao Bearing Co., Ltd.
Email:
Tel: 13650781568
Fax:
Street Address: Room 407, Shengheng
Business Center, No. 44, Nanzhou
Road, Haizhu District, Guangzhou
Guangdong, Guangdong 510200
China
Website: https://www.rmobearing.com/
Member name: rmbearing
Country:
ChinaMember Since: 09 September 2026
Total Leads: 3 rmbearing Import Export Business Leads
Business focus: Ball Bearing, Door, Window Pulley
Verify: Safe Import Export Tips
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