d - 440 mm

D - 600 mm

B - 118 mm

d₁ - - 495 mm

D₁ - - 552 mm

F - 479 mm

r_1,2 - min. - 4 mm

d_a - min. - 455 mm

d_b - min. - 483 mm

D_a - max. - 585 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 1980 kN

Basic static load rating - C₀ - 4250 kN

Fatigue load limit - P_u - 355 kN

Reference speed - 900 r/min

Limiting speed - 1100 r/min

Calculation factor - k_r - 0.07

Mass bearing - 105 kg

• Model Number: NUP 3988 ECM
• Inner Diameter：600mm Outer Diameter：440mm Width：118mm
• Type：Thrust Ball Bearings
• Update date：2025-04-23
• Application:boring bar boring bar,special broaching machine,machine tool spindle,sleep monitoring,E Beauty,paint paint,tube,Textile Industry Accessories and Accessories,forming machine,comprehensive experiment,plastic rolling
• Similar models:SKF NUP3988ECM
• BEARING POWER International Trading Co.,Ltd. specialize in NUP3988ECM products，there is large inventory of SKF NUP 3988 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NUP 3988 ECM Which SKF NUP3988ECM 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
  33005J	25	47	17	KBC	Tapered Roller Bearings
  51292	460	615		ISO	Thrust Ball Bearings
  6044ZX	220	340	56	KOYO	Deep Groove Ball Bearings
  627-2RU	7	22	7	KOYO	Deep Groove Ball Bearings
  6319LLU	95	200	45	NTN	Deep Groove Ball Bearings
  7203 A	17	40	12	CX	Angular Contact Ball Bearings
  7336DB	180	380	75	NACHI	Angular Contact Ball Bearings
  7928CPA	140	190	24	KOYO	Angular Contact Ball Bearings
  GE480DO	480	650	230	ISO	Plain Bearings
  KGA090	228,6	279,4	25,4	KOYO	Angular Contact Ball Bearings
  MRJ 2.1/4	57,15	127	31,75	SIGMA	Cylindrical Roller Bearings
  NA 4910 2RS	50	72	23	NBS	Needle Roller Bearings
  NJ 2896 ECMA	600	480	72	SKF	Thrust Ball Bearings
  PW35680037CS	35	68	37	PFI	Angular Contact Ball Bearings
  SR156	4,763	7,938	2,779	ZEN	Deep Groove Ball Bearings
  FX5	5	11	3	ADR	DEEP GROOVE BALL BEARINGS
  45214	70	125	39.7	New Departure	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  CSXB160	16.0000	16.6250	.3125	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  PAPV11	1.3750	3.0000	.6875	RIV	CYLINDRICAL ROLLER BEARINGS
  SN-210..1210	50	-	60	CONSOLIDATED	PILLOW BLOCKS