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：2025-12-12
• Application:medical equipment,tapping machine,equipment,industrial fans,Antenna Industry,Microwave Equipment,,product accessories,Dental Equipment,water,axle lathe
• Similar models:NBS K50x55x20 NSK DB508201 NSK DD500304 INA NKI50/35 KOYO K42X50X20H NTN NAO-50×68×40ZW INA NKIS50-XL NTN ARX56X160X50 JNS NKI50/35 KOYO K45X50X27FH
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  190KBE02	190	340	105	NACHI	Tapered Roller Bearings
  20311-K-TVP-C3	55	120	29	FAG	Spherical Roller Bearings
  21309C	45	100	25	NTN	Spherical Roller Bearings
  5577/5535	53,975	122,238	43,658	Timken	Tapered Roller Bearings
  6364	320	670	112	ISO	Deep Groove Ball Bearings
  857/854	92,075	190,5	57,15	Timken	Tapered Roller Bearings
  HUB100-7	43	83	47,5	NTN	Angular Contact Ball Bearings
  BRI 527632	82,55	120,65	51,05	IKO	Needle Roller Bearings
  DAC4074W-6CS61	40	74	36	KOYO	Angular Contact Ball Bearings
  FR6	9,525	22,225	7,142	ISO	Deep Groove Ball Bearings
  LM757049/LM757010B	304,8	406,4	63,5	Timken	Tapered Roller Bearings
  SB4432A	220	319,5	46	KOYO	Deep Groove Ball Bearings
  SS7207 CD/P4A	35	72	17	SKF	Angular Contact Ball Bearings
  USP002S6	15		16,5	KOYO	Bearing Units
  XTGB40485.P	25	133	54	SNR	Angular Contact Ball Bearings
  51406				RHP	THRUST BALL BEARINGS
  GX12F	12	35	9.3	SKF	SPHERICAL PLAIN BEARINGS
  NA6910	50	72	40	Torrington	NEEDLE BEARINGS
  XLS-21/4AC	2.2500	3.5625	.6250	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
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