d - 50 mm

F - 60 mm

D - 78 mm

B - 40 mm

C - 40 mm

r min. - 1 mm

da min. - 55 mm

da max - 59 mm

Da max. - 73 mm

db - 66,3 mm

Db - 60,8 mm

Weight - 0,775 Kg

Basic dynamic load rating (C) - 66,7 kN

Basic static load rating (C0) - 143,2 kN

Limiting speed - 6 500 r/min

• Model Number: NAFW 507840
• Inner Diameter：50mm Outer Diameter：78mm Width：40mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:test strip,Antenna Industry,electric pump,sawing machine,journal lathe,electrocardiograph,metallurgy,wheel lathe,storage and transportation equipment,aerial work equipment,Plastic molding
• Similar models:NSK NAFW507840 IKO NAFW507840 JNS NAFW507840
• BEARING POWER International Trading Co.,Ltd. specialize in NAFW507840 products，there is large inventory of JNS NAFW 507840 . We has been built up long-term cooperation with JNS company, could make a bulk order of the NAFW 507840 Which JNS NAFW507840 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  230/750R	750	1090	250	KOYO	Spherical Roller Bearings
  51208	40	68	19	ISB	Thrust Ball Bearings
  6202-2RD	15	35	11	KOYO	Deep Groove Ball Bearings
  6213-2Z	65	120	23	ZEN	Deep Groove Ball Bearings
  641/632D+X1S-641	66,675	136,525	95,25	Timken	Tapered Roller Bearings
  6904ZZNR	20,000	37,000	9,000	NTN	Deep Groove Ball Bearings
  6921	105	145	20	CYSD	Deep Groove Ball Bearings
  7008HVUJ74	40	68	15	SNR	Angular Contact Ball Bearings
  HK2218RS	22	28	18	KOYO	Needle Roller Bearings
  K17X20X8.8	17,000	20,000		NTN	Needle Roller Bearings
  K42X50X30H	42	48		KOYO	Needle Roller Bearings
  NF 1072	360	495		NACHI	Cylindrical Roller Bearings
  NUP12/630	630	1150	230	ISO	Cylindrical Roller Bearings
  NUP211-E-TVP3	55	100	21	NKE	Cylindrical Roller Bearings
  RS505739A	50	57	38,9	KOYO	Needle Roller Bearings
  16056	280	420	44	FAG	DEEP GROOVE BALL BEARINGS
  N421	105	260	60	FAG	CYLINDRICAL ROLLER BEARINGS
  SD-3148	9.0000			SKF	PILLOW BLOCKS
  N306E	30	72	19	SKF	CYLINDRICAL ROLLER BEARINGS
  RNAO45x55x17	55		17	SKF	NEEDLE BEARINGS