(dimensions in mm)

Bearing Type - thrust washer

Shaft Dia., Nominal (d) - 40.0000

Bearing Outside Diameter, Nominal(Do) - 66.000

Washer Inside Diameter, Nominal (di) - 42

Washer Inside Diameter Tolerance (di tol.) - +0.25 / -0

Washer Outside Diameter, Nominal (Do) - 66

Washer Outside Diameter Tolerance (Do tol.) - +0 / -0.25

Washer Thickness, Nominal (S3) - 2

Washer Thickness Tolerance (S3 tol.) - +0 / -0.05

Mounting Hole Dia. (dm) - 4.000

Mounting Hole Pitch Dia. (dp) - 54

Housing Counterbore Depth (Ha) - 1.00

Housing Counterbore Depth Tolerance (Ha tol.) - +0.2 / -0.2

Housing Counterbore Diameter, Nominal (HD) - 66.000

Housing Counterbore Diameter Tolerance (HD tol.) - +0.12 / 0

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 WC42
• Inner Diameter：40mm Outer Diameter：66mm Width：mm
• Type：Plain Bearings
• Update date：2026-01-13
• Application:rolling mill roll neck and slowdown device,Plastic Equipment,wall industry,extruder,baler,Body shaping,transistor fittings,small diesel generators,insect experimental analysis instrument,hydraulic cylinder,ship special
• Similar models:AST SIBP20S AST AST2044IB40 AST AST40120100 ISB GEG200ES2RS INA EGB3520-E40-B FBJ GE220ES ISB GAC120CP SKF GE120TXA-2LS AST AST201625 INA GAKFL20PW
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  618/1120	1120	1360	106	ISO	Deep Groove Ball Bearings
  61803	17	26	5	ISB	Deep Groove Ball Bearings
  6806DD	30	42	7	NSK	Deep Groove Ball Bearings
  7015 C	75	115	20	CX	Angular Contact Ball Bearings
  7020 ACB/P4AL	150	100	24	SKF	Angular Contact Ball Bearings
  7205B	25	52	15	FBJ	Angular Contact Ball Bearings
  7819CDB	95	120	13	CYSD	Angular Contact Ball Bearings
  81117	85	110		ISO	Thrust Roller Bearings
  FF 2010				MPZ	Needle Roller Bearings
  GE 35EC-2RS	35	55	25	IKO	Plain Bearings
  K42X48X14.3	42,000	48,000		NTN	Needle Roller Bearings
  SN148	22,225	28,575	12,7	INA	Needle Roller Bearings
  231/500CA	500	830	264	SKF	SPHERICAL ROLLER BEARINGS
  32034	170	260	57	SNR	TAPERED ROLLER BEARINGS
  215ZNR	75	130	25	SKF	DEEP GROOVE BALL BEARINGS
  NUP-212E	60	110	22	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-55x60x27	55	60	27	CONSOLIDATED	NEEDLE BEARINGS