d - 14,989 mm

D - 34,988 mm

T - 10,998 mm

B - 10,988 mm

C - 8,73 mm

a - 8,3 mm

r min. - 0,8 mm

r2 min. - 1,2 mm

da min. - 19,5 mm

Da - 29 mm

db min - 19 mm

ra max. - 0,8 mm

rb max. - 1,2 mm

Db - 32 mm

Weight - 0,051 Kg

Basic dynamic load rating (C) - 12,6 kN

Basic static load rating (C0) - 11,9 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 17000 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y1) - 1,33

• Model Number: A4059/A4138
• Inner Diameter：14,989mm Outer Diameter：34,988mm Width：10,998mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:Liposuction device,office outdoor camping equipment,noise inspection,wall industry,equipment,ultra-quiet generators,sleep monitoring,chromatography,mechanical annex,atomizer class,relay
• Similar models:KOYO A4059/A4138 NTN 4T-A4059/A4138 FBJ A4059/A4138 Timken A4059/A4138D+X6SA4059 Timken A4059/A4138 Timken A4059/A4138B SKF A4059/A4138 NSK A4059/A4138
• BEARING POWER International Trading Co.,Ltd. specialize in A4059/A4138 products，there is large inventory of KOYO A4059/A4138 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the A4059/A4138 Which KOYO A4059/A4138 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
  2301	12	37	17	CX	Self-Aligning Ball Bearings
  32216JR	80	140	35,25	KOYO	Tapered Roller Bearings
  51264	320	435		ISO	Thrust Ball Bearings
  54418U	90	190	157	NACHI	Thrust Ball Bearings
  ASTB90 F10070	100	105		AST	Plain Bearings
  FW971	27	60	50	FAG	Angular Contact Ball Bearings
  G1212KRRB	69,85	130	74,61	Timken	Deep Groove Ball Bearings
  H71926AC/HQ1	130	180	24	AST	Angular Contact Ball Bearings
  NJ2217E	85	150	36	CYSD	Cylindrical Roller Bearings
  NN3009	45	67,5	23	NACHI	Cylindrical Roller Bearings
  SFR188	6,35	12,7	3,175	ZEN	Deep Groove Ball Bearings
  TUP1 22.30	22	25		CX	Plain Bearings
  UC210L3	50	90	51,6	KOYO	Deep Groove Ball Bearings
  UCF208	40			FYH	Bearing Units
  UCTH205-14-150	22,225		88	KOYO	Bearing Units
  UKP306H	25			SNR	Bearing Units
  93612	1.1250	1.5000	.7500	BERLISS	JOURNAL ROLLER ASSEMBLIES
  CRBC4	1.5000	4.0000	2.2500	RBC	ROLLER CAM FOLLOWERS
  1905-S	25	42	9	MRC	DEEP GROOVE BALL BEARINGS
  150RN02	150	270	45	Torrington	CYLINDRICAL ROLLER BEARINGS