d - 440 mm

D - 720 mm

T - 226 mm

B - 226 mm

r min. - 6 mm

r1 min. - 6 mm

da max - 506 mm

Db min. - 642 mm

ra max. - 5 mm

rb max. - 5 mm

Db max - 692 mm

Weight - 367 Kg

Basic dynamic load rating (C) - 4990 kN

Basic static load rating (C0) - 9130 kN

(Grease) Lubrication Speed - 270 r/min

(Oil) Lubrication Speed - 360 r/min

Calculation factor (e) - 0,39

Calculation factor (Y0) - 1,7

Calculation factor (Y2) - 1,74

• Model Number: 45388
• Inner Diameter：440mm Outer Diameter：720mm Width：226mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:vacuum suction cup,Workpiece,clean stationery,Gear grinding machine,electrocardiograph,ultra-quiet generators,Cleaning equipment,Roller,natural instruments,spreader series,milling head plug
• Similar models:KOYO 45388
• BEARING POWER International Trading Co.,Ltd. specialize in 45388 products，there is large inventory of KOYO 45388 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 45388 Which KOYO 45388 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
  16004	20	42	8	CRAFT	Deep Groove Ball Bearings
  6904ZE	20	37	9	NACHI	Deep Groove Ball Bearings
  7217-B-TVP	85	150	28	FAG	Angular Contact Ball Bearings
  7315BGM	75,000	160,000	37,000	SNR	Angular Contact Ball Bearings
  81215	75	110		CX	Thrust Roller Bearings
  85BNR19H	85	120	18	NSK	Angular Contact Ball Bearings
  NJ338EM	190	400	78	NSK	Cylindrical Roller Bearings
  WJ-485424	76,2	85,725		Timken	Needle Roller Bearings
  UCFCX15	75			KOYO	Bearing Units
  UKP311H	50			SNR	Bearing Units
  52310				FAG	THRUST BALL BEARINGS
  6301ZNR	12	37	12	FAG	DEEP GROOVE BALL BEARINGS
  SAF056	10.0000			Torrington	PILLOW BLOCKS
  TRTB9020	9.0000	17.0000		RBC	TAPERED ROLLER THRUST BEARINGS
  NBX12712DD	5.0000	5.7500	.5000	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  MUL309	45	100	25	Rollway	CYLINDRICAL ROLLER BEARINGS
  F-609-ZZ	9	24	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NU-3009	45	75	23	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NJ-207E	35	72	17	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  HJ-2307E	35		6	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS