d - 12,7 mm

D - 34,988 mm

T - 10,998 mm

B - 10,988 mm

C - 8,73 mm

ra1 max. - 1,3 mm

a - 2,5 mm

Da - 29 mm

db - 17 mm

ra max. - 1,3 mm

da - 18,5 mm

Db - 32 mm

Weight - 0,053 Kg

Basic dynamic load rating (C) - 12,3 kN

Basic static load rating (C0) - 11,6 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 16 000 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y2) - 1,32

• Model Number: 4T-A4050/A4138
• Inner Diameter：12,7mm Outer Diameter：34,988mm Width：10,998mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:Ball screw,security equipment,food safety,Spectrum Products,pump industry,machine lathe,E Beauty,light therapy instrument,lifting upgrade,laser devices,luminescent reagent
• Similar models:Timken A4050/A4138B KOYO A4050/A4138 NSK A4050/A4138 SNR EC44050S01 Timken A4050/A4138 FBJ A4050/A4138 NTN 4T-A4050/A4138
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-A4050/A4138 products，there is large inventory of NTN 4T-A4050/A4138 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-A4050/A4138 Which NTN 4T-A4050/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
  3383/3329-B	41,275	81,755	30,391	Timken	Tapered Roller Bearings
  6216-Z-NR	80	140	26	NKE	Deep Groove Ball Bearings
  6318	90	190	43	NACHI	Deep Groove Ball Bearings
  C 4028 V	210	140	69	SKF	Cylindrical Roller Bearings
  7224CDT	120	215	40	NACHI	Angular Contact Ball Bearings
  EE291201/291751CD+X1S-291201	304,8	444,5	146,05	Timken	Tapered Roller Bearings
  LJ1.7/8-2Z	47,625	101,6	20,6375	RHP	Deep Groove Ball Bearings
  LM06AJ	6	12	19	CX	Linear Bearings
  M802048/M802011	41,275	82,55	26,543	NSK	Tapered Roller Bearings
  NCF3015CV	75	115	30	SKF	Cylindrical Roller Bearings
  NUP320	100	215	47	KOYO	Cylindrical Roller Bearings
  NUP3213	65	120	38,1	CX	Cylindrical Roller Bearings
  S148	22,225	28,575	12,7	INA	Needle Roller Bearings
  T411	101,6	215,9	46,038	Timken	Thrust Roller Bearings
  UCCX10	50		55,6	FYH	Bearing Units
  NK37/20	47		20	SKF	NEEDLE BEARINGS
  6304NR	20	52	15	STEYR	DEEP GROOVE BALL BEARINGS
  AS4060	40	60		CONSOLIDATED	THRUST NEEDLE BEARINGS
  SAF-5173..ROLLER	3.0000			CONSOLIDATED	PILLOW BLOCKS
  TPSY-50SD	50			CONSOLIDATED	THERMOPLASTIC PILLOW BLOCKS