d - 55 mm

D - 120 mm

B - 43 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

s - 3.5 mm

d_a - min. - 65 mm

d_a - max. - 68 mm

d_b - min. - 80 mm

D_a - max. - 109.2 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 232 kN

Basic static load rating - C₀ - 232 kN

Fatigue load limit - P_u - 30.5 kN

Reference speed - 6000 r/min

Limiting speed - 7000 r/min

Calculation factor - k_r - 0.25

Mass bearing - 2.259 kg

• Model Number: NJ 2311 ECP
• Inner Diameter：120mm Outer Diameter：55mm Width：43mm
• Type：Thrust Ball Bearings
• Update date：2025-04-22
• Application:Laser Cutting,packaging materials,medical equipment,Flame Cutting,rolling machine,inorganic chemical,Pneumatic Actuator,textile machinery,Gripper Swing,Forming mold,marine test
• Similar models:SKF NUP2311ECML SKF 52311 KOYO 52311 SKF NJ2311ECP SKF NUP2311ECP NACHI 52311 SKF NU2311ECP SKF NU2311ECML NKE 52311 ISO 52311
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  47687/47620	82.550	133.350	33.338	NACHI	Tapered Roller Bearings
  686W5	6	13	5	ZEN	Deep Groove Ball Bearings
  6930ZZ	150	210	28	KOYO	Deep Groove Ball Bearings
  744/742D+X2S-744	73,025	155,575	101,6	Timken	Tapered Roller Bearings
  CSXG055	139,7	190,5	25,4	INA	Deep Groove Ball Bearings
  HK 1216 2RS	12	18	16	NBS	Needle Roller Bearings
  HM903245/HM903210	41,275	95,25	30,958	Timken	Tapered Roller Bearings
  K15X20X11.8	15,000	20,000		NTN	Needle Roller Bearings
  K50x55x13.5	50	55		SKF	Needle Roller Bearings
  LM501349/14	41,275	73,431	21,43	PFI	Tapered Roller Bearings
  NJ2318-E-TVP2 + HJ2318-E	90	190	64	FAG	Cylindrical Roller Bearings
  N212	60	97,5	22	NTN	Cylindrical Roller Bearings
  NH414	70	180	42	CX	Cylindrical Roller Bearings
  NJ2217-E-TVP3	85	150	36	NKE	Cylindrical Roller Bearings
  X30303/Y30303	17	47	15,25	Timken	Tapered Roller Bearings
  7292B.MP.U(A/O)	460	830	118	FAG	ANGULAR CONTACT BALL BEARINGS
  231/850	850	1360	400	Torrington	SPHERICAL ROLLER BEARINGS
  PBJ-10	1.2500	3.1250	.8750	RIV	SELF
  61819	95	120	13	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NJ-213	65	120	23	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS