d - 50 mm

F - 60 mm

D - 78 mm

E - 68 mm

B - 20 mm

C - 20 mm

r min. - 1 mm

da min. - 55 mm

Da max. - 73 mm

db - 67,2 mm

ra max. - 1 mm

Db - 60,8 mm

Weight - 0,41 Kg

Basic dynamic load rating (C) - 40 kN

Basic static load rating (C0) - 75 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 6 500 r/min

• Model Number: NAO-50×78×20
• Inner Diameter：50mm Outer Diameter：68mm Width：mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Rolling mill gear box,Generator,engine,Cylinder Type,ventilation heating equipment,root canal filling,printing equipment,switch,Infrared Technology,journal lathe,glass
• Similar models:NBS GLP5015 KOYO 50BM5825 KOYO K44X50X22H KOYO 50MKM5825 INA NKIS50-XL IKO KT505820 NTN HMK5030B INA HN5025 NBS K45x50x27 IKO NTB5070
• BEARING POWER International Trading Co.,Ltd. specialize in NAO-50×78×20 products，there is large inventory of NTN NAO-50×78×20 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NAO-50×78×20 Which NTN NAO-50×78×20 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.

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  JM205149A/JM205110	50	90	28	Timken	Tapered Roller Bearings
  RS-4913E4	65	90	25	NSK	Cylindrical Roller Bearings
  NJ 256	260	500	80	NACHI	Cylindrical Roller Bearings
  NKXR 30	42	30	30	SKF	Cylindrical Roller Bearings
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  PBS30	30			INA	Bearing Units
  GAR80DO	80		55	ELGES	ROD ENDS
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  N220E	100	180	34	STEYR	CYLINDRICAL ROLLER BEARINGS
  7019CDP4GA	95	145	24	SKF	ANGULAR CONTACT BALL BEARINGS
  6310.RS	50	110	27	STEYR	DEEP GROOVE BALL BEARINGS