d - 26,988 mm

D - 66,421 mm

T - 23,812 mm

B - 25,433 mm

C - 19,05 mm

ra1 max. - 1,3 mm

a - 9,3 mm

Da - 58 mm

db - 33 mm

ra max. - 1,5 mm

da - 35 mm

Db - 60 mm

Weight - 0,429 Kg

Basic dynamic load rating (C) - 64,5 kN

Basic static load rating (C0) - 72,5 kN

(Grease) Lubrication Speed - 6 200 r/min

(Oil) Lubrication Speed - 8 200 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 1,3

Calculation factor (Y2) - 2,36

• Model Number:4T-2688/2631
• Inner Diameter：26,988mm Outer Diameter：66,421mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:ventilation equipment,security,X-ray Equipment,comprehensive experiment,Performance test,Vertical machining,Dental Drill etc,medical equipment,car shock absorber,luminescent reagent,teaching equipment
• Similar models:FBJ 26882/26823 Timken 26882/26821 Timken 26884/26822B Timken 26886/26830 ISO 26885/26822 NSK 26884/26823 FBJ 26881/26822 Fersa 26882/26820 Timken 26881/26822 ISO 26880/26822
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-2688/2631 products，there is large inventory of NTN 4T-2688/2631 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-2688/2631 Which NTN 4T-2688/2631 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
  22244 EKW33+AOH2244	200	400	108	ISB	Spherical Roller Bearings
  29492-E1-MB	460	800	206	INA	Thrust Roller Bearings
  30322-A	110	240	54,5	FAG	Tapered Roller Bearings
  3306 A	30	72	30,2	ISB	Angular Contact Ball Bearings
  3977X/3921XA	59,987	109,985	29,751	Timken	Tapered Roller Bearings
  52393/52618	100,012	157,162	36,512	ISO	Tapered Roller Bearings
  6312-2ZNR	60	130	31	SKF	Deep Groove Ball Bearings
  7319DT	95	200	45	CYSD	Angular Contact Ball Bearings
  ASTB90 F12070	120	125		AST	Plain Bearings
  E 230 7CE1	30	62	16	SNFA	Angular Contact Ball Bearings
  NAO40x55x17	40	55	17	ISO	Cylindrical Roller Bearings
  NJ 202	15	35	11	ISB	Cylindrical Roller Bearings
  NK50/25	50	62	25	ZEN	Needle Roller Bearings
  NNU 49/670 K/SPW33X	670	900	230	ISB	Cylindrical Roller Bearings
  W 61702-2RS1	21	15	4	SKF	Deep Groove Ball Bearings
  NCF1832V	160	200	20	FAG	CYLINDRICAL ROLLER BEARINGS
  CSXG070	7.0000	9.0000	1.0000	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  6013.2Z	65	100	18	SKF	DEEP GROOVE BALL BEARINGS
  6260	540	300	85	STEYR	DEEP GROOVE BALL BEARINGS
  B6203-2RS	17	40	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS