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：2025-04-20
• Application:lifting chain,hanging clamp,product accessories,Laser Devices,quality inspection equipment,Embroidery,noise reduction equipment,defogging and degreasing,small appliances,hydraulic control element,pressure control valve
• Similar models:FBJ 26880/26822 Fersa 26882T/26822 KOYO 26883R/26820 KOYO 2688/2631 CX 26884/26822 Timken 26880/26820 Timken 42688/42620 Timken 26886/26822 NTN 4T-26881/26822 NTN 4T-26885/26822
• 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
  22209-E-K-W33+H309	45	85	23	NKE	Spherical Roller Bearings
  294/670 M	670	1150		CX	Thrust Roller Bearings
  23218EX1	90	160	52,4	NACHI	Cylindrical Roller Bearings
  3213-BD-2HRS-TVH	65	120	38,1	FAG	Angular Contact Ball Bearings
  6084	420	620	90	ISO	Deep Groove Ball Bearings
  6006-Z	30	55	13	ISB	Deep Groove Ball Bearings
  FJT-1012	10	14	12	NSK	Needle Roller Bearings
  K18x22x21,8	18	22,0		MPZ	Needle Roller Bearings
  KBK 20x24x30	20	24		INA	Needle Roller Bearings
  NH1072	360	540	82	PSL	Cylindrical Roller Bearings
  NNU4960KC1NAP5	300	420	118	NTN	Cylindrical Roller Bearings
  PHU3087	145,5	115	70,1	PFI	Angular Contact Ball Bearings
  TM-SC06A10LLU-BCM25PX1/L588	28	58	15	NTN	Deep Groove Ball Bearings
  NUP2020E	100	150	30	FAG	CYLINDRICAL ROLLER BEARINGS
  AH3884	420	400		FAG	WITHDRAWAL SLEEVES
  23332AS.MA.C4.T41A	160	340	136	FAG	SPHERICAL ROLLER BEARINGS
  SN613	60		90	SKF	PILLOW BLOCKS
  7022CD	110	170	28	SKF	ANGULAR CONTACT BALL BEARINGS
  RSTO40	80		19.8	SKF	NEEDLE BEARINGS
  NKI60/25	60	82	25	SKF	NEEDLE BEARINGS