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：2023-03-04
• Application:Other machinery,beverage production,Roller mill,climb ladder,manual Tools,generator,welding equipment,Optical detection,Insect Capture,intermediate,ventilation equipment
• Similar models:NSK DB503303A NTN NA0-50X68X20 NBS K50x55x17 NSK LM506235-1 NTN H40X50X22.8 KOYO K38X50X33H IKO KT405020 IKO KT505825 IKO GTRI10013550 IKO TRI10515350
• 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
  241/530W33	530	870	335	ISO	Spherical Roller Bearings
  22256EK	280	500	130	NACHI	Cylindrical Roller Bearings
  22319-E1-K-T41A + AHX2319	90	200	67	FAG	Spherical Roller Bearings
  31330-X-N11CA	150	320	164	FAG	Tapered Roller Bearings
  4T-02877/02820	34,925	73,025	22,225	NTN	Tapered Roller Bearings
  F61901-2RS	12	24	6	ZEN	Deep Groove Ball Bearings
  HM803146/110	41,275	88,9	30,162	ISB	Tapered Roller Bearings
  HR32220J	100	180	49	NSK	Tapered Roller Bearings
  HR33020J	100	150	39	NSK	Tapered Roller Bearings
  K 6x10x13 TN	6	10		NBS	Needle Roller Bearings
  KBK 14x18x14,5	14	18		NBS	Needle Roller Bearings
  N 219 ECP	170	95	32	SKF	Thrust Ball Bearings
  NA5903	17	30	18	NTN	Needle Roller Bearings
  NJ326	130	280	58	ISO	Cylindrical Roller Bearings
  NK30/20	30	40	20	FBJ	Needle Roller Bearings
  NN4921C1NAP4	105	145	40	NTN	Cylindrical Roller Bearings
  NP38/950	950	1150	150	ISO	Cylindrical Roller Bearings
  4463	6.1250	8.8750		Andrews	THRUST BALL BEARINGS
  LDJ30	30	62	20	R&M	DEEP GROOVE BALL BEARINGS
  MJT105	105	225	49	R&M	ANGULAR CONTACT BALL BEARINGS