d - 50 mm

F - 60 mm

D - 78 mm

B - 20 mm

C - 20 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 - 0,39 Kg

Basic dynamic load rating (C) - 38,9 kN

Basic static load rating (C0) - 71,7 kN

Limiting speed - 6 500 r/min

• Model Number:NAF 507820
• Inner Diameter：50mm Outer Diameter：78mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:key lock,Optical Instruments,Industrial Electromechanical,reinforced machinery,Low-voltage electrical equipment,light therapy instrument,powder metallurgy,decoration machinery,chamfer,Technical Equipment,flexible processing
• Similar models:JNS NAF507820 NSK NAF507820 IKO NAF507820
• BEARING POWER International Trading Co.,Ltd. specialize in NAF507820 products，there is large inventory of JNS NAF 507820 . We has been built up long-term cooperation with JNS company, could make a bulk order of the NAF 507820 Which JNS NAF507820 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
  23144-E1-K	220	370	120	FAG	Spherical Roller Bearings
  2207	35	72	23	NACHI	Self-Aligning Ball Bearings
  4T-582/572D+A	82,55	139,992	82,55	NTN	Tapered Roller Bearings
  53406+U406	30	70	30,1	NKE	Thrust Ball Bearings
  555/553X	50.800	122.238	38.100	NACHI	Tapered Roller Bearings
  5S-7908UCG/GNP42	40	62	12	NTN	Angular Contact Ball Bearings
  ASTT90 F10050	100	105		AST	Plain Bearings
  BH-1310	20,638	28,575	15,88	Timken	Needle Roller Bearings
  L44649/L44610	26,988	50,292	14,224	NSK	Tapered Roller Bearings
  M-11121	17,462	22,225	19,05	NSK	Needle Roller Bearings
  NA 6911UU	55	80	46	IKO	Needle Roller Bearings
  NA5903	17	30	18	CX	Needle Roller Bearings
  NJ1064	320	480	74	CX	Cylindrical Roller Bearings
  SE 6207 ZZSTMSA7	35	72	17	KOYO	Deep Groove Ball Bearings
  AXK3047	30	47	2	FAG	THRUST NEEDLE BEARINGS
  RSTO17	40		15.8	FAG	NEEDLE BEARINGS
  MB-32	160	182	16	SKF	LOCKWASHERS
  MCS319	95	200	45	Rollway (Bronze Cage)	CYLINDRICAL ROLLER BEARINGS
  BLN70	70	150	35	RIV	DEEP GROOVE BALL BEARINGS
  82x105x13mm	82	105	13	CONSOLIDATED	OIL SEALS