MF74ZZ Flange Ball Bearing 4x7x2.5mm Shielded Chrome Bearings 4pcs

About this item

• [Size] – MF74ZZ ABEC1 bearing (I.D.=4mm, O.D.=7mm, Thickness=2.5mm, Flange Dia: 8mm).
• [Durable] – Chrome Steel (GCr15) races offer high hardness and great wear resistance, thus extend bearings’ service life.
• [Load & Speed] – Dynamic load rating of 264N and static load rating of 92N. The limiting speed is 60000 RPM under grease lubricating.
• [Easy to Maintain] – Shields on Both sides to keep lubricant in. Z1 noise level for most general use.
• [Application] – Commonly used for glider/rocker arms, wheels of the cart, lawnmowers, printers, pumps, motors, gearboxes, reducer, textile machinery, electronic equipment, and more.

Note:

Please refer to the picture and select right type of bearings before your order (Sealed or Shield on Both or Single side of the bearing). Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product.

 

 

Description:

• Single-row, pre-lubricated, normal accuracy.
• Deep Groove Ball Bearings are one of the most widely used rolling bearings.
• With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance.
• Chromium Steel (GCr15) made with heat treating, provides high and uniform hardness, good wear resistance
• Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.

Selection Guide:

Shields (Designation Suffix Z/ZZ) – High speed. Protect from dirt and debris.

Sealed (Designation Suffix RS/2RS) – Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings.

Specification:

Model: MF74ZZ

Shielded Type: Double Shielded

Inner Race/Outer Race Material: Chrome Steel (GCr15)

Cage Material: Stamping Steel

Inner Diameter (d): 4mm

Outer Diameter (D): 7mm

Thickness (B): 2.5mm

Flange Dia.: 8mm

Flange Thickness: 0.6mm

Dynamic Load Rating (Cr): 0.31kN

Static Load Rating (Cor): 0.115kN

Accuracy Class: P0 (ABEC1)

Noise Level: Z1

Number of Pack: 4 Pcs