NTN Brand 688ZZCM High precision miniature deep groove ball bearing 8x16x4mm skateboard bearings chrome steel

Original Brand NTN Deep Groove Ball Bearing 688 Bearing
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1:The Introductions of Deep Groove Ball Bearing:
Deep groove ball bearings are bearing the most common type. The basic model consists of a deep groove ball bearing outer ring, an inner ring, a steel ball and a group of holding structure into. Deep groove ball bearing type has two kinds of single and double row deep groove ball structure also split seal and open two structures, it means open bearings without sealing structure, sealing deep groove ball into dust seal and oil seal.
2:The Basic Parameters of Deep Groove Ball Bearing:
1.Deep groove ball bearings are bearing the most common type. The basic model consists of a deep groove ball bearing outer ring, an inner ring, a steel ball and a group of holding structure into. Deep groove ball bearing type has two kinds of single and double row deep groove ball structure also split seal and open two structures, it means open bearings without sealing structure, sealing deep groove ball into dust seal and oil seal.Oil-proof seal for the contact, which can effectively prevent the bearing grease inside the spill.
2.Single row deep groove ball bearing type code for 6, double row deep groove ball bearings, code-named 4 Its structure is simple, easy to use, is the production of the most common and most widely used class of bearings.
3:The Characteristics of Deep Groove Ball Bearing:
Deep groove ball bearings are most commonly used bearing. It's simple, easy to use. Mainly used to bear radial load, but increase the bearing radial clearance, with certain features of the angular contact ball bearings can withstand radial and axial load. When should not be used in high speed and thrust ball bearings, it can also be used to bear pure axial load. Deep groove ball bearings with the same sizes of other types of bearings, bearing friction coefficient is small, high speed limit. However, the impact of intolerance, not suitable to withstand heavy loads.
4:The Type of Deep Groove Ball Bearing:
1.single row deep groove ball bearings
2.with a dust cover single row deep groove ball bearings
3.with a dust cover, a ring of single row deep groove ball bearings
4.with snap groove and snap ring of single row deep groove ball bearing outer ring
5.ball gap deep groove ball bearings
6.double row deep groove ball bearings
5:The Application of NSK 688ZZ Deep Groove Ball Bearing:
Deep groove ball bearings can be used for transmission, instrumentation, motors, appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, engineering machinery, roller skate style, yo-yo, etc.
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