d - 50 mm

D - 68 mm

B - 20 mm

D_a - 60,8 mm

D_b - 55,8 mm

d_a - 54,5 mm

d_b - 59,2 mm

E - 60 mm

F - 55 mm

r_{a max} - 0,6 mm

r_min - 0,6 mm

s - 1 mm / Axial displacement

m - 230 g / Weight

C_r - 32000 N / Dynamic load rating (radial)

C_0r - 66000 N / Static load rating (radial)

C_ur - 10700 N / Fatigue limit load, radial

n_G - 8500 1/min / Limiting speed

n_B - 4900 1/min / Reference speed

- / With lubrication hole in inner ring.

without ribs

• Model Number: NAO50X68X20-IS1
• Inner Diameter：50mm Outer Diameter：68mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-04-23
• Application:storage and transportation equipment,rolling mill roll neck and slowdown device,Machine Tool Accessories,Garment Accessories,test strip,extruder,molding machine,food / grain / food equipment,pump industry,Flame Cutting,food testing
• Similar models:IKO TAF405020 MPZ K81x92x50,5ZWTN NBS NK50/35 NSK DC502807 NTN K240X250X42 CX K38x50x33 IKO TR11515350 KOYO MKM5020 CX NKI50/35 NTN HMK5020
• BEARING POWER International Trading Co.,Ltd. specialize in NAO50X68X20-IS1 products，there is large inventory of INA NAO50X68X20-IS1 . We has been built up long-term cooperation with INA company, could make a bulk order of the NAO50X68X20-IS1 Which INA NAO50X68X20-IS1 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
  24040E	200	310	109	NACHI	Cylindrical Roller Bearings
  6812NR	60	78	10	NTN	Deep Groove Ball Bearings
  61807 ZZ	35	47	7	ISO	Deep Groove Ball Bearings
  6208-2Z	80	40	18	SKF	Deep Groove Ball Bearings
  6311	55	120	29	ZEN	Deep Groove Ball Bearings
  AST40 4020	40	44		AST	Plain Bearings
  BTH-0053	90	160	125	SKF	Tapered Roller Bearings
  FL603	3	9	3	CX	Deep Groove Ball Bearings
  GEEW40ES	40	62	40	FBJ	Plain Bearings
  M86648A/M86610	30,955	64,292	21,433	Fersa	Tapered Roller Bearings
  NJ321-E-MA6+HJ321-E	105	225	49	NKE	Cylindrical Roller Bearings
  N2252	260	480	130	ISO	Cylindrical Roller Bearings
  NBX 1725Z	17	26		IKO	Complex Bearings
  NKI 85/26	85	115	26	FBJ	Needle Roller Bearings
  RLM304020	30	40	20	NSK	Needle Roller Bearings
  S3204-2RS	20	47	20,6	ZEN	Angular Contact Ball Bearings
  NJ2228	140	250	68	STEYR	CYLINDRICAL ROLLER BEARINGS
  96740	1.2500	2.0000	2.5000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  NA284220	28	42	20	SKF (Old No.)	NEEDLE BEARINGS
  81230			21.0	CONSOLIDATED	THRUST ROLLER BEARINGS