d - 140 mm

D - 250 mm

B - 42 mm

d₁ - - 179 mm

D₁ - - 215.78 mm

F - 169 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 3 mm

s - 2.5 mm

d_a - min. - 154 mm

d_a - max. - 165 mm

d_b - min. - 182 mm

D_a - max. - 235 mm

r_a - max. - 2.5 mm

Basic dynamic load rating - C - 450 kN

Basic static load rating - C₀ - 510 kN

Fatigue load limit - P_u - 57 kN

Reference speed - 2800 r/min

Limiting speed - 3200 r/min

Calculation factor - k_r - 0.15

Mass bearing - 9.55 kg

• Model Number: NJ 228 ECM
• Inner Diameter：250mm Outer Diameter：140mm Width：42mm
• Type：Thrust Ball Bearings
• Update date：2025-04-22
• Application:relay,other accessories,surgical instruments,experimental equipment,pump,root canal filling,chuck industry,animal,chamfering machine etc,floor industry,tire industry
• Similar models:NACHI 53228U NKE 53228 ISO 51228 INA 2283 NSK 53228XU SKF NU228ECML ISB 52228 SKF NJ228ECJ NACHI 54228U ISO 53228
• BEARING POWER International Trading Co.,Ltd. specialize in NJ228ECM products，there is large inventory of SKF NJ 228 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NJ 228 ECM Which SKF NJ228ECM 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
  16036	180	280	31	CYSD	Deep Groove Ball Bearings
  2205E-2RS1KTN9+H305E	20	52	18	SKF	Self-Aligning Ball Bearings
  23188W33	440	720	226	ISO	Spherical Roller Bearings
  239/800-B-K-MB + AH39/800-H	750	1060	195	FAG	Spherical Roller Bearings
  2LA-BNS011LLBG/GNP42	55	90	18	NTN	Angular Contact Ball Bearings
  544577	35	80	21	FAG	Angular Contact Ball Bearings
  6219-RS	95	170	32	CYSD	Deep Groove Ball Bearings
  ASTT90 F11090	110	115		AST	Plain Bearings
  FR168-2Z	6,35	9,525	3,175	ZEN	Deep Groove Ball Bearings
  N228 E	140	250	42	CX	Cylindrical Roller Bearings
  QJ316-N2-MPA	80	170	39	NKE	Angular Contact Ball Bearings
  W 6210-2RS1	90	50	20	SKF	Deep Groove Ball Bearings
  S71913 CB/HCP4A	90	65	13	SKF	Angular Contact Ball Bearings
  SQ5-RS				LS	Plain Bearings
  NKI6/16	6	16	16	FAG	NEEDLE BEARINGS
  LAA20x32x45	20	32	45	FAG	LINEAR RECIRCULATING BALL BEARINGS
  2204SA	20	47	18	FED	SELF
  6204-2RS	47	20	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NJ-432	160	400	88	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NK-73/25	90		25	CONSOLIDATED	NEEDLE BEARINGS