Miniature Inch Bearings

Miniature inch bearings are compact and precise components designed for applications that utilize the imperial system of measurements. These bearings are specifically sized in inches, ensuring compatibility with systems that rely on imperial units. With their small size and inch measurements, they are suitable for applications with limited space and precise rotational support. Miniature inch bearings offer low friction operation, high-speed capability, and excellent load carrying capacity. They find applications in industries such as robotics, electronics, and automotive, where reliability, efficiency, and precise motion control are essential.

Technial Specification

Table 1

Product Number	Bore Dia (d)	Outer Dia	Width	Dynamic Load Rating	Static Load Rating
R09	0.04 inch	0.1250 inch	0.0469 inch	20	5
R0	0.0469 inch	0.1562 inch	0.0625 inch	21	6
R0zz	0.0469 inch	0.1562 inch	0.0937 inch	21	6
R1	0.055 inch	0.1875 inch	0.0781 inch	44	12
R1zz	0.055 inch	0.1875 inch	0.1094 inch	44	12
R1-4	0.0781 inch	0.2500 inch	0.0937 inch	54	17
R1-4 2RS	0.0781 inch	0.2500 inch	0.1406 inch	54	17
R1-4zz	0.0781 inch	0.2500 inch	0.1406 inch	54	17
R1-5	0.0937 inch	0.3125 inch	0.1094 inch	106	32
R1-5 2RS	0.0937 inch	0.3125 inch	0.1406 inch	106	32
R1-5zz	0.0937 inch	0.3125 inch	0.1406 inch	106	32
R133	0.0937 inch	0.1875 inch	0.0625 inch	36	11
R133 2RS	0.0937 inch	0.1875 inch	0.0937 inch	36	11
R133zz	0.0937 inch	0.1875 inch	0.0937 inch	36	11
R144	0.125 inch	0.2500 inch	0.0937 inch	54	17
R144 2RS	0.125 inch	0.2500 inch	0.1094 inch	54	17
R144zz	0.125 inch	0.2500 inch	0.1094 inch	54	17
R2	0.125 inch	0.3750 inch	0.1562 inch	121	39
R2 2RS	0.125 inch	0.3750 inch	0.1562 inch	121	39
R2zz	0.125 inch	0.3750 inch	0.1562 inch	121	39
R2-5	0.125 inch	0.3125 inch	0.1094 inch	107	32
R2-5 2RS	0.125 inch	0.3125 inch	0.1406 inch	107	32
R2-5zz	0.125 inch	0.3125 inch	0.1406 inch	107	32
R2-6	0.125 inch	0.3750 inch	0.1094 inch	122	41
R2-6 2RS	0.125 inch	0.3750 inch	0.1406 inch	122	41
R2-6zz	0.125 inch	0.3750 inch	0.1406 inch	122	41
R2A	0.125 inch	0.5000 inch	0.1719 inch	122	41
R2A 2RS	0.125 inch	0.5000 inch	0.1719 inch	122	41
R2Azz	0.125 inch	0.5000 inch	0.1719 inch	122	41
R155	0.1562 inch	0.3125 inch	0.1094 inch	69	27
R155 2RS	0.1562 inch	0.3125 inch	0.1250 inch	69	27
R155zz	0.1562 inch	0.3125 inch	0.1250 inch	69	27
R156	0.1875 inch	0.3125 inch	0.1094 inch	69	27
R156 2RS	0.1875 inch	0.3125 inch	0.1250 inch	69	27
R156zz	0.1875 inch	0.3125 inch	0.1250 inch	69	27
R166	0.1875 inch	0.3750 inch	0.1250 inch	136	49
R166 2RS	0.1875 inch	0.3750 inch	0.1250 inch	136	49
R166zz	0.1875 inch	0.3750 inch	0.1250 inch	136	49
R3	0.1875 inch	0.5000 inch	0.1562 inch	249	88
R3 2RS	0.1875 inch	0.5000 inch	0.1960 inch	249	88
R3zz	0.1875 inch	0.5000 inch	0.1960 inch	249	88
R3A 2RS	0.1875 inch	0.6250 inch	0.1960 inch	283	112
R3Azz	0.1875 inch	0.6250 inch	0.1960 inch	283	112
R3A	0.1875 inch	0.6250 inch	0.1960 inch	283	112
R168	0.25 inch	0.3750 inch	0.1250 inch	71	31
R168 2RS	0.25 inch	0.3750 inch	0.1250 inch	71	31
R168zz	0.25 inch	0.3750 inch	0.1250 inch	71	31
R188	0.25 inch	0.5000 inch	0.1250 inch	207	80
R188 2RS	0.25 inch	0.5000 inch	0.1875 inch	207	80
R188zz	0.25 inch	0.5000 inch	0.1875 inch	207	80
R4	0.25 inch	0.6250 inch	0.1960 inch	283	112
R4 2RS	0.25 inch	0.6250 inch	0.1960 inch	283	112
R4zz	0.25 inch	0.6250 inch	0.1960 inch	283	112
R4A	0.25 inch	0.7500 inch	0.2188 inch	446	161
R4A 2RS	0.25 inch	0.7500 inch	0.2812 inch	446	161
R4Azz	0.25 inch	0.7500 inch	0.2812 inch	446	161
R1810	0.3125 inch	0.5000 inch	0.1562 inch	104	50
R1810 2RS	0.3125 inch	0.5000 inch	0.1562 inch	104	50
R1810zz	0.3125 inch	0.5000 inch	0.1562 inch	104	50
R6	0.375 inch	0.8750 inch	0.2188 inch	637	256
R6 2RS	0.375 inch	0.8750 inch	0.2812 inch	637	256
R6ZZ	0.375 inch	0.8750 inch	0.2812 inch	749	301

Advantages

Compact Size and Inch Measurements: These bearings are specifically designed in inch measurements, making them compatible with systems that use the imperial system. Their compact size allows for easy integration into tight spaces, making them ideal for applications where space is limited.
Low Friction Operation: Miniature inch bearings are engineered for low friction operation, resulting in reduced heat generation and energy consumption. This characteristic enables smooth and efficient rotational motion, contributing to overall system performance.
High-Speed Capability: These bearings are designed to withstand high speeds while maintaining reliable operation. Their precise manufacturing and high-quality materials ensure stability and reduced noise at elevated rotational speeds, making them suitable for applications that require fast and precise motion.
Excellent Load Carrying Capacity: Despite their small size, miniature inch bearings offer excellent load carrying capacity. They are designed to distribute and handle radial and axial loads efficiently, ensuring reliable performance even under demanding conditions.
Versatility in Applications: Miniature inch bearings find applications in various industries, including robotics, electronics, automotive, and more. Their compact size and compatibility with imperial-based systems make them suitable for a wide range of precision applications.
Reliable Performance: These bearings are manufactured with high-quality materials and undergo rigorous testing to ensure durability and dependability. They are designed to provide long-lasting performance and maintain their precision over time, even in demanding environments.