1. Product Overview NJ220 EM1 C3 is single row cylindrical roller bearing of NJ type structure. NJ means inner ring with single rib, outer ring without ribs; EM1 represents robust solid machined brass ...Xem thêm
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GQZ NJ220 EM1 C3 Cylindrical Roller Bearing 100×180×34mm With Machined Brass Cage For Heavy Gear Units