F_w - 70 mm

D - 90 mm

C - 30 mm

E - 78 mm

r_1,2 - min. - 1 mm

d_a - 77.2 mm

D_a - 78.8 mm

D_b - 71 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 17 kN

Reference speed - 6000 r/min

Limiting speed - 6700 r/min

Mass bearing - 0.499 kg

• Model Number: RNAO 70x90x30
• Inner Diameter：90mm Outer Diameter：70mm Width：30mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:Plastic molding,fabric products,security equipment,Safety protection,engineering machinery,Industrial,Hairbrush device,Broadcasting System,Laser Measurements,Generator,stirrer
• Similar models:Timken 170RT91 Timken 170RIU664 KOYO 34FC25170 Timken 170RIT664 INA F-96770 ISB NNU49/670K/SPW33X KOYO SC070821DVSH2NA SKF C31/670KMB NTN NU38/670 ISB NNU41/670M/W33
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  181111X/181180XC	111,125	180,975	47,62	Gamet	Tapered Roller Bearings
  3578R/3525	44.450	87.313	30.163	NACHI	Tapered Roller Bearings
  37KL	7	22	9,8	Timken	Deep Groove Ball Bearings
  4606-3AC2RS	30	47	18	CYSD	Angular Contact Ball Bearings
  4T-CR-0594	23,812	50,005	14,26	NTN	Tapered Roller Bearings
  4T-LM522546/LM522510	107,95	159,987	34,925	NTN	Tapered Roller Bearings
  53205	25	47		ISO	Thrust Ball Bearings
  54417U+U417	88			ISO	Thrust Ball Bearings
  7934CDT	170	230	28	CYSD	Angular Contact Ball Bearings
  CRB 800100	600	780	70	IKO	Thrust Roller Bearings
  H71926AC	130	180	24	AST	Angular Contact Ball Bearings
  K30X37X18	30	40		KOYO	Needle Roller Bearings
  RSHE20-N	20			INA	Bearing Units
  SCE30UU	30			Samick	Linear Bearings
  MB-17	85	102	8	SKF	LOCKWASHERS
  1000SD40	1000	1420	412	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  993L00	10	26	8	New Departure	DEEP GROOVE BALL BEARINGS
  51126				SNR	THRUST BALL BEARINGS
  51230				STEYR	THRUST BALL BEARINGS
  EE-5	.6250	1.3750	.2812	SKF	DEEP GROOVE BALL BEARINGS