(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 250.0000

Shaft Size (ds) - 250 +0 / -0.072

Housing Bore Dia. (Dh) - 255 +0.052 / -0

Bearing Outside Diameter, Nominal(Do) - 255.000

Bearing Outside Diameter Tolerance (Do tol.) - 255.260 / 255.170

Bearing Bore after Mounting (di) - 250.282 / 250.110

Average Clearance (Cd) - 0.2320

Wall Thickness (S3) - 2.418

Bearing Length, Nominal (B) - 50.000

Bearing Length Tolerance (B tol.) - +0 / -0.40

OD Chamfer Length (Co) - 1.800

ID Chamfer Angle (B deg.) - 45

ID Chamfer Length (Ci) - 0.800

Lube Hole Dia. (dl) - 9.500

Material - Carbon steel shell with POM plastic liner

Lubricate the bearing prior to installation.

Please review the technical information on the requirements for the mating shaft.

• Model Number: AST20 25050
• Inner Diameter：250mm Outer Diameter：255mm Width：mm
• Type：Plain Bearings
• Update date：2025-04-20
• Application:industrial fans,cleaners,ventilation fans,Roller mill,Perfusion device,X-ray Equipment,ventilator anesthesia machine etc,transportation equipment,horizontal processing,defogging and degreasing,Microwave Equipment
• Similar models:AST AST11F20165 CX TUP113.20 LS GEG220ES-2RS SKF GEH20ES-2LS INA EGF12120-E40 AST AST2016IB16 LS GEH220XT-2RS INA EGB2030-E40-B LS GEH320XT AST AST2012IB08
• BEARING POWER International Trading Co.,Ltd. specialize in AST2025050 products，there is large inventory of AST AST20 25050 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 25050 Which AST AST2025050 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
  23264 EKW33+AOH3264	300	580	208	ISB	Spherical Roller Bearings
  30314	70	150	38	CYSD	Tapered Roller Bearings
  54306	30	60	41,2	NSK	Thrust Ball Bearings
  6238	190	340	55	NACHI	Deep Groove Ball Bearings
  7030 A	150	225	35	ISO	Angular Contact Ball Bearings
  7211DB	55	100	21	NTN	Angular Contact Ball Bearings
  B18	39,688	65,89	19,05	INA	Thrust Ball Bearings
  EE2S ZZ	6,35	19,05	7,142	KOYO	Deep Groove Ball Bearings
  EGS15200-E50				INA	Plain Bearings
  LM8UUAJ	8	15	17,5	Samick	Linear Bearings
  NCF2976 V	380	520	82	CX	Cylindrical Roller Bearings
  NP307784/NP946473	35	62	18	Timken	Tapered Roller Bearings
  QJM 1.3/8	34,925	88,9	22,23	SIGMA	Angular Contact Ball Bearings
  UCFL 205-16	25,4			AST	Bearing Units
  SN516	70		90	SKF	PILLOW BLOCKS
  QJM33/4	3.7500	8.2500	1.7500	RHP	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  317-MFF	85	180	41	MRC	DEEP GROOVE BALL BEARINGS
  FYCRS-17R	17	40	21	NSK	NEEDLE BEARINGS
  23132	160	270	86	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  N-072			1.7910	CONSOLIDATED	LOCKNUTS