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1.5000×6.0000×2.5000mm
Dyn.Load63 lbf
Static18 lbf
Speed75,000 rpm
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Specifications
Overview
Part Number601x
CategoryMetric Size Standard Miniature Ball Bearings
BrandJMP®
Interchangeable WithINA, NTN, HRB
Dimensions
Bore Diameter1.5000 mm
Outer Diameter6.0000 mm
Width2.5000 mm
Bore Tolerance-0.008mm to 0
Outer Tolerance-0.008mm to 0
Width Tolerance-0.12mm to 0
Chamfer Dimension0.15 mm
Load Ratings
Dynamic Radial Load63 lbf
Static Radial Load18 lbf
Construction
ConstructionSingle Row
Seal TypeOpen
Bearing TypeBall
Load DirectionRadial
System of MeasurementMetric
Material
Ring MaterialChrome Steel
Ball / Roller MaterialChrome Steel
Cage MaterialStainless Steel
Ball Diameter1.2
Ball Quantity6
Speed
Reference Speed75,000 rpm
Limiting Speed (Grease)75,000 rpm
Limiting Speed (Oil)
Clearance & Tolerance
Radial ClearanceMC3
Tolerance ClassABEC1
Bore Tolerance-0.008mm to 0
Outer Ring Tolerance-0.008mm to 0
Width Tolerance-0.12mm to 0
Operating Conditions
Temperature Range-30° to 110 °C
Max Temperature110 °C
Compliance & Physical
RoHSCompliant
REACHCompliant
Weight0.3100 g
601x engineering drawing

Drawing not available — Request specs

Interchangeable Brands
BrandEquivalent
INA601x
NTN601x
HRB601x
📥 Download PDF
PDF datasheet with full specifications
Applications
Electric MotorsPower ToolsIndustrial MachineryHome AppliancesHVAC SystemsAgricultural EquipmentPumps & CompressorsOffice Equipment
Design Features of 601x Bearing

The 601x is a high-quality Deep Groove Ball Bearing with bore diameter of 1.5000 mm, outer diameter of 6.0000 mm, and width of 2.5000 mm.

With a dynamic radial load rating of 63 lbf and static load rating of 18 lbf, the 601x is engineered to handle demanding operating conditions. It supports speeds up to 75,000 rpm, making it suitable for high-speed applications.

What Benefits Can 601x Bearing Provide?
  • Reliable load capacity for general industrial applications
  • High-speed capability up to 75,000 rpm for versatile operation
  • Open design for easy relubrication and low friction operation
  • Precision manufacturing to ISO standards ensures consistent quality
  • Fully interchangeable with major international brands (SKF, NSK, FAG, NTN)
Frequently Asked Questions
What is the difference between open and sealed versions of 601x?+

The 601x is available in Open (no seal), ZZ (metal shield), and 2RS (rubber seal) configurations. Open bearings offer higher speed ratings and lower friction, while sealed versions provide better contamination protection and reduced maintenance requirements.

What is the ABEC tolerance class of the 601x?+

JMP Bearings manufactures the 601x in various tolerance classes including ABEC-1 (standard), ABEC-3, ABEC-5 (precision), and ABEC-7 (high precision). Please contact us for specific tolerance class availability and pricing.

What lubrication is recommended for the 601x?+

The 601x typically uses lithium-based grease (e.g., ISO VG 68) for general applications. For high-temperature or high-speed applications, synthetic greases such as polyurea-based lubricants are recommended. Contact our engineering team for application-specific lubrication guidance.

What is the minimum order quantity for the 601x?+

JMP Bearings offers flexible ordering - sample quantities are available from 1 piece. For bulk orders, we provide tiered pricing starting at 100, 500, and 1000+ pieces. Contact us for a custom quote tailored to your volume.

How do I determine the correct shaft and housing tolerances for the 601x?+

For standard 601x applications, shaft tolerance is typically k5 or j6, and housing tolerance is typically H7 or J6. Exact tolerance selections depend on load conditions, speed, and operating temperature. Refer to ISO 286 or consult our engineering support for detailed recommendations.

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