d - 25,4 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 - 31,5 mm

ra max. - 1,3 mm

da - 33,5 mm

Db - 60 mm

Weight - 0,442 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-2687/2631
• Inner Diameter：25,4mm Outer Diameter：66,421mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Doppler,wall materials,medical Equipment,physical instruments,electrocardiograph,food safety,PVC,inorganic chemical,thin metal materials,clean stationery,paint paint
• Similar models:ISO M268730/10 FBJ 26878/26822 NTN T-M268730/M268710DG2+A Timken 26877/26824 CX 2687/2631 Timken M268730/M268710 KOYO 26877R/26822 NACHI H-26878R/H-26822 NTN E-M268749TD/M268710+A KOYO 42687/42620
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-2687/2631 products，there is large inventory of NTN 4T-2687/2631 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-2687/2631 Which NTN 4T-2687/2631 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
  110BNR19XE	110	150	20	NSK	Angular Contact Ball Bearings
  21075/21213	19.05		21,839	KOYO	Tapered Roller Bearings
  22230B	150	270	73	NTN	Spherical Roller Bearings
  42690/42620	77,788	127	30,162	ISO	Tapered Roller Bearings
  7348BG	240,000	500,000	95,000	NTN	Angular Contact Ball Bearings
  BK121812	12	18	12	ISO	Cylindrical Roller Bearings
  GE 28 SW	28	52	16	INA	Plain Bearings
  H71918C/HQ1	90	125	18	AST	Angular Contact Ball Bearings
  KT 101410 EG	10	14		IKO	Needle Roller Bearings
  N313	65	140	33	ISO	Cylindrical Roller Bearings
  NATB 5905	25	42	25	IKO	Complex Bearings
  NJ3306	30	72	30,2	CX	Cylindrical Roller Bearings
  NNC4936-V	180	250	69	NKE	Cylindrical Roller Bearings
  RTUE90	90			INA	Bearing Units
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  63813	65	85	15	ELGES	DEEP GROOVE BALL BEARINGS
  IR-7275	1.1875		1.2600	RBC	NEEDLE BEARINGS
  GS81104	21	35		Torrington	THRUST ROLLER BEARINGS
  K-25x35x25	25	35	25	CONSOLIDATED	NEEDLE BEARINGS
  94312	.7500	1.2500	.7500	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES