(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 45.0000

Shaft Size (ds) - 45 +0 / -0/039

Housing Bore Dia. (Dh) - 50 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 50.000

Bearing Outside Diameter Tolerance (Do tol.) - 50.085 / 50.045

Bearing Bore after Mounting (di) - 45.195 / 45.080

Average Clearance (Cd) - 0.1570

Wall Thickness (S3) - 2.438

Bearing Length, Nominal (B) - 40.000

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) - 8.000

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 4540
• Inner Diameter：45mm Outer Diameter：50mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-10
• Application:small appliances,paint paint,printing machinery,oral medical device,car instrument,pneumatic,Pump,Machine Tool Accessories,Spectrum Products,ignition system,lifting tackle
• Similar models:INA EGBZ2016-E40 LS GEH320XT-2RS AST AST850SM2010 CRAFT SI20T/K AST AST202015 INA EGF20115-E40 AST AST2011080 AST ASTB90F12070 ISO GE220UK-2RS LS GE20ES
• BEARING POWER International Trading Co.,Ltd. specialize in AST204540 products，there is large inventory of AST AST20 4540 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 4540 Which AST AST204540 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
  23148 CCK/W33 + OH 3148 H	400	220	128	SKF	Spherical Roller Bearings
  17098/17244	24,981	62	16,002	CX	Tapered Roller Bearings
  239/630-B-K-MB+AH39/630	630	850	165	FAG	Spherical Roller Bearings
  33212/Q	110	60	38	SKF	Tapered Roller Bearings
  3767/3730	52,388		30,302	KOYO	Tapered Roller Bearings
  51230 M	150	215	50	ISB	Thrust Ball Bearings
  71822 C	110	140	16	ISO	Angular Contact Ball Bearings
  7332 C	160	340	68	ISO	Angular Contact Ball Bearings
  89414	70	150		ISO	Thrust Roller Bearings
  FR8-2Z	12,7	28,575	7,938	ZEN	Deep Groove Ball Bearings
  HCB71916-C-2RSD-T-P4S	80	110	16	FAG	Angular Contact Ball Bearings
  NK55/35	55	68	35	JNS	Needle Roller Bearings
  NU3316	80	170	68,3	CX	Cylindrical Roller Bearings
  NUP2324-E-M1	120	260	86	FAG	Cylindrical Roller Bearings
  SF5210DF	260,000	369,500	92,000	NTN	Angular Contact Ball Bearings
  SF20001	1000,000	1420,000	130,000	NTN	Angular Contact Ball Bearings
  UCF214	70			SNR	Bearing Units
  W304PPG	20	52	.8750	FAF	DEEP GROOVE BALL BEARINGS
  W61810	50	65	7	SKF	DEEP GROOVE BALL BEARINGS
  6320-K	100	215	47	CONSOLIDATED	DEEP GROOVE BALL BEARINGS