d - 55 mm

D - 120 mm

B - 29 mm

D₁ - - 100.3 mm

F - 70.5 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 2 mm

s - 2 mm

d_a - min. - 65 mm

d_a - max. - 68 mm

d_b - min. - 73 mm

D_a - max. - 109.2 mm

r_a - max. - 2 mm

r_b - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C₀ - 143 kN

Fatigue load limit - P_u - 18.6 kN

Reference speed - 6000 r/min

Limiting speed - 7000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 1.719 kg

• Model Number:NU 311 ECM
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Thrust Ball Bearings
• Update date：2026-01-02
• Application:stacker lift platform,ultra-quiet generators,garbage disposal,medical equipment,die casting mold,standing experimental equipment,Gear grinding machine,mobile toilet,auto tools,relay,relay
• Similar models:FBJ 51311 ISO 52311 NACHI 53311U CX 51311 SKF 51311 NACHI 54311U NTN-SNR 51311 SKF NUP311ECJ ISO 53311U+U311 NTN 89311
• BEARING POWER International Trading Co.,Ltd. specialize in NU311ECM products，there is large inventory of SKF NU 311 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NU 311 ECM Which SKF NU311ECM 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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  6317	85	180	41	KOYO	Deep Groove Ball Bearings
  645/633	71,438		41,275	KOYO	Tapered Roller Bearings
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  7030	150	225	35	NTN	Angular Contact Ball Bearings
  ASA2741-1	27	41	11,5	IJK	Angular Contact Ball Bearings
  7338 A-UO	190	400	156	CX	Angular Contact Ball Bearings
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  E-EE231400/231976D+A	355,6	501,65	155,575	NTN	Tapered Roller Bearings
  F-90672	32	45	24	INA	Needle Roller Bearings
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  K 81210-TVPB	50	78	9	NKE	Thrust Roller Bearings
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  NKI 20/16	20	32	16	JNS	Needle Roller Bearings
  UCF310	50			CRAFT	Bearing Units
  W61706	30	37	4	SKF	DEEP GROOVE BALL BEARINGS
  3210J2Z	50	90	30.2	INA	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  R0816.2Z	.1250	.2500	.1094	FAG	DEEP GROOVE BALL BEARINGS
  J-85			.3125	Torrington	NEEDLE BEARINGS