NA4840 INA Needle roller bearings with inner ring
NA4840 bearings d200×D250×B50mm
Weight: 5840g
NKI, NKIS, NA49,NA69 series
Needle roller bearings with inner ring
NA4840 Needle roller bearing
Seals Type: Open, Z, ZZ, RS, 2RS, RZ
Material: GCr15; stainless steel, ceramics
Precision Rating: P0, P6, P5, P4, P2
NA4840
NA4844
NA4848
NA4852
NA4856
NA4860
NA4864
NA4868
NA4872
NA4876
Drawn cup needle roller bearing used in machine tools, metallurgical machinery, textile machinery,
printing machinery and other mechanical equipment
Shanghai Sound Bearing Technology Co.,Ltd. As a importing and exporting enterprise specialized in
bearing design, research and development and manufacturing, we can produce general purpose and
non-standard bearings.












