(dimensions in inches)

Bearing Type - straight

Shaft Dia., Nominal (d) - 1.2500

Shaft Size (ds) - 1.2387 / 1.2371

Housing Bore Dia. (Dh) - 1.4072 / 1.4062

Bearing Outside Diameter, Nominal(Do) - 1.406

Bearing Bore after Mounting (di) - 1.2452 / 1.2414

Average Clearance (Cd) - 0.0050

Wall Thickness (S3) - 0.082

Bearing Length, Nominal (B) - 1.250

Bearing Length Tolerance (B tol.) - +.010 / -0.010

OD Chamfer Length (Co) - 0.045

ID Chamfer Angle (B deg.) - 30

ID Chamfer Length (Ci) - 0.020

Lube Hole Dia. (dl) - 0.250

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 20IB20
• Inner Diameter：31,75mm Outer Diameter：35,7124mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-17
• Application:Pneumatic Control Valves,Rolling mill,floor industry,Cylinder Type,coal mill,comprehensive experiment,blood cell reagent,welding equipment,printing equipment,Broadcasting System,building decoration raw materials and accessories
• Similar models:AST GEC420XT AST AST0901220 AST ASTEPB3034-20 SIGMA GEZPR208S AST GE20ES AST AST850BM2010 AST AST40F18120 CX GE320QCR AST AST2010095 AST GE120ET-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in AST2020IB20 products，there is large inventory of AST AST20 20IB20 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 20IB20 Which AST AST2020IB20 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
  1635-2RS	19.05	44,45	12,7	FBJ	Deep Groove Ball Bearings
  2208G15	40,000	80,000	23,000	SNR	Self-Aligning Ball Bearings
  53256	280	380	85	NACHI	Thrust Ball Bearings
  6412-N	60	150	35	NKE	Deep Groove Ball Bearings
  7024CVDUJ74	120	180	56	SNR	Angular Contact Ball Bearings
  D42	88,9	132,563	25,4	INA	Thrust Ball Bearings
  EE291250/291750	317,5	444,5	63,5	Timken	Tapered Roller Bearings
  HM617049/HM617010	85,725	142,138	42,862	FBJ	Tapered Roller Bearings
  NK21/20R+IR17×21×20	17	29	20	NTN	Needle Roller Bearings
  NF307	35	80	21	CYSD	Cylindrical Roller Bearings
  NJ2219-E-TVP2 + HJ2219-E	95	170	43	FAG	Cylindrical Roller Bearings
  PCM 11512050 M	115	120	50	SKF	Plain Bearings
  SA6E	6			LS	Plain Bearings
  Y98	14,288	19,05	12,7	KOYO	Needle Roller Bearings
  61801T	12	21	5	FAG	DEEP GROOVE BALL BEARINGS
  NAKD19	8	19	11	FAG (Old No.)	NEEDLE BEARINGS
  6303	17	47	14	STEYR	DEEP GROOVE BALL BEARINGS
  K-12x15x15	12	15	15	CONSOLIDATED	NEEDLE BEARINGS
  170x190x15mm	170	190	15	CONSOLIDATED	OIL SEALS
  190x230x16mm	190	230	16	CONSOLIDATED	OIL SEALS