d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 77.5 mm

D₁ - - 100.3 mm

F - 70.5 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 2 mm

d_a - min. - 65 mm

d_b - min. - 80 mm

D_a - max. - 109.2 mm

r_a - 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 - 1.785 kg

• Model Number:NUP 311 ECM
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Thrust Ball Bearings
• Update date：2025-12-27
• Application:luminescent reagent,Textile Accessories,engineering machine,hot and cold box,multi-knife lathe,coal mill,ignition system,Machine tool accessories,marine analysis and testing equipment,Embroidery,internal combustion engine
• Similar models:SKF 53311+U311 SKF NJ311ECJ ISO 53311U+U311 AST 51311 NKE 53311 CRAFT 51311 SKF NUP311ECM SKF NJ2311ECP CX 52311 SKF NU2311ECML
• BEARING POWER International Trading Co.,Ltd. specialize in NUP311ECM products，there is large inventory of SKF NUP 311 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NUP 311 ECM Which SKF NUP311ECM 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
  1280/1220	22,225	57,15	22,225	FBJ	Tapered Roller Bearings
  3214-ZZ	70	125	39,7	ISB	Angular Contact Ball Bearings
  51328	140	240	80	NACHI	Thrust Ball Bearings
  81104	20	35		ISO	Thrust Roller Bearings
  BK152020	15	20	20	ISO	Cylindrical Roller Bearings
  HAR030CA	150	225	35	KOYO	Angular Contact Ball Bearings
  KCA075	190,5	209,55	9,525	KOYO	Angular Contact Ball Bearings
  L319249/10	95,25	130,175	20,638	ISO	Tapered Roller Bearings
  N 324	120	226	55	NACHI	Cylindrical Roller Bearings
  NJ2305-E-MPA+HJ2305-E	25	62	24	NKE	Cylindrical Roller Bearings
  NUP3188	440	720	226	CX	Cylindrical Roller Bearings
  RNA4872	390	440	80	AST	Needle Roller Bearings
  RNAO16X28X12	16	28	12	INA	Needle Roller Bearings
  SIZP19S	19.05			LS	Plain Bearings
  SYE 1 7/16 N	36,512	53,975	59,531	SKF	Bearing Units
  AH3136	180	170		FAG	WITHDRAWAL SLEEVES
  NKI9/12	9	19	12	INA	NEEDLE BEARINGS
  2211E-2RS1K	55	100	25	SKF	SELF
  H-3192x430	460	580		CONSOLIDATED	ADAPTERS
  R-405-LL	105	225	49	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS