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-70% 1h ago Boxonly Deep Groove Ball Bearing MF74 Z1 Bearing Steel Ball Bearings 4mmx7mmx2.5

Boxonly Deep Groove Ball Bearing MF74 Z1 Bearing Steel Ball Bearings 4mmx7mmx2.5mm 10Pcs

4.49$ 14.97$
You save: 10.48$ (70%)
Score: 20/100
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Key Features

Product Description

Boxonly Ball Bearings Bearing Steel Deep Groove Ball Bearing Features: High quality bearing steel Durable and Pracitcal Deep Groove Ball Bearing Hardness 60-62° Good load-bearing capacity High speed use Excellent wear resistance Low noise High precision Specifications: Detailed parameters of bearings Name: Bearing Model: MF74 Z1 Size : 4mmx7mmx2.5mm Material category: High quality bearing steel Accuracy level: P0 Hardness: 60-62° Type of holder: Rivet Vibration/Noise Level: Z1-Z4 Radial clearance: C0/C2/C3/C4 Noise performance Divided into Z1-Z4 levels according to noise and vibration levels National standard Z1 level=33-38dB National standard Z2 level=28-32dB National standard Z3 level=22-25dB National standard Z4 level=15-21dB Divided into V1-V4 levels according to the level of abnormal sound The higher the level, the better the performance it represents Smoothness, flexibility, and durability are better The letters after the bearing model number indicate that there are three types of bearing sealing covers (dust covers): ZZ or Z stands for iron cover seal, suitable for situations with good external environment and high-speed requirements. 2RS or RS stands for rubber cap sealing, with good sealing performance and strong dust resistance. OPEN or no letter indicating "open", without dust cover suitable for places that require high speed or fast idling. Package included: 10PCS x Bearing