R4-2RS Miniature Deep Groove Ball Bearing

R4-2RS Mini Deep Groove Ball Bearing Capable of Bearing Radial Axial Loads, Suitable for Higher Rotational Speeds

Model number:R4-2RS

Size: 6.35x15.875x4.978mm

Material: chrome steel Gcr15

weight: 0.05KG

MOQ: 100 PCS

Lead time: normally 3-5 days

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Specification

R4-2RS is a high performance miniature deep groove ball bearing specifically designed for compact precision equipment with limited space. Measuring

6.35 x 15.875 x 4.978 mm, it perfectly fits into compact assemblies.

Technical parameter:

Model Number	R4-2RS
Size	6.35x15.875x4.978mm
Weight	0.05 KG
Material	chrome steel Gcr15
Clearance	C2 C0 C3 C4
Precision Grade	p0
Dynamic Load Rating	1.47 lbf
Static Load Rating	0.6 lbf
Max Speed (Grease Lubrication)	54000 RPM
Shield Type	RS
Lubrication	Pre-lubricated with High-Performance Grease
Temperature Range	-20°C to +120°C
Lead Time	3-5 Days

Constructed from premium GCr15 steel and equipped with dual rubber seals (2RS), it effectively blocks contaminants to extend service life. Operating

temperatures range from -30°C to 120°C, ensuring adaptability across diverse environments.

Compliant with ABEC-1 precision standards, it guarantees stable operation with low noise. Offering exceptional value for money, it reliably supports

the operation of small precision machinery, making it an ideal choice.

Related Products

R4RS（7）.jpg

Model No.	d	D	H	m
R155	3.97 mm	7.94 mm	2.78 mm	0.55 g
R155ZZ	3.97 mm	7.94 mm	3.18 mm	0.55 g
R156	4.76 mm	7.94 mm	2.78 mm	0.45 g
R156ZZ	4.76 mm	7.94 mm	3.18 mm	0.45 g
R166	4.76 mm	9.52 mm	3.18 mm	0.8 g
R3ZZ	4.76 mm	12.7 mm	4.98 mm	2.27 g
R3	4.76 mm	12.7 mm	3.97 mm	2.27 g
R186	4.76 mm	12.7 mm	2.78 mm	2 g
R186ZZ	4.76 mm	12.7 mm	3.97 mm	2 g
R3A	4.76 mm	15.88 mm	4.98 mm	475 g
R3AZZ	4.76 mm	15.88 mm	4.98mm	5.08 g
R168	6.35 mm	9.52 mm	3.18 mm	0.6 g
R188	6.35 mm	12.7 mm	3.18 mm	2 g
R188ZZ	6.35 mm	12.7 mm	4.76 mm	2 g
R4	6.35 mm	15.88 mm	4.98 mm	4.54 g
R4A-ZZ	6.35 mm	19.05 mm	7.14 mm	7.7 g
R4A	6.35 mm	19.05 mm	5.56 mm	7.7 g
R1810	7.94 mm	12.7 mm	3.97 mm	1.7 g
R6	9.52 mm	22.22 mm	5.56 mm	10.88 g
R6ZZ	9.52 mm	22.22 mm	7.14 mm	10.88 g

Main uses

R4-2RS Mini Deep Groove Ball Bearing is suitable for various industrial equipment, small rotary motors, and other high-speed, low-noise fields, such as: office equipment, micro motors, instrumentation, laser engraving machines, small clocks, soft drives, pressure rotors, dental drills, hard disk motors, stepper motors, video recorder magnetic drums, toy models, computer cooling fans, money counters, fax machines and other related fields. Its compact size, dual rubber seals (2RS) for effective protection, and ability to maintain stable operation at high speeds make it areliable choice for these applications.

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R4-2RS Miniature Deep Groove Ball Bearing