608 ZZ NMB Bearing
NMB · Deep groove ball bearing · Metal shields on both sides · 8×22×7 mm
Deep groove ball
Double shield
In stock
608 ZZ NMB is a deep groove ball bearing with an 8 mm bore, 22 mm outside diameter and 7 mm width, shielded on both sides with metal shields.
Dimensions
Bore (d)8 mm
Outside diameter (D)22 mm
Width (B)7 mm
Chamfer (r min)0.3 mm
Weight≈ 0.0121 kg
Balls7 × ≈4.13 mm
Load ratings and speed
Dynamic load rating C3.45 kN
Static load rating C₀1.37 kN
Limiting speed≈ 33,150 rpm
Reference speed (grease)≈ 61,000 rpm
Metal shields on both sides, greased for life. Being non-contact, it runs faster than a sealed bearing. For dry and dusty conditions.
Where it is used
Skateboard, roller/inline skate and scooter wheels – the most common use
Power tool (drill, grinder, jigsaw) rotor shaft
Vacuum cleaner and small fan/extractor fan motor
Sliding door, shower enclosure and conveyor belt roller
3D printers, toys and hobby machines
Lawn mower wheel and small garden equipment
General-purpose size: the best-selling miniature bearing on the market, standard in countless small machines
608-2Z (ZZ)
– all our products in this size (3)