d - 26,988 mm

D - 66,421 mm

T - 23,812 mm

B - 25,433 mm

C - 19,05 mm

a - 13,9 mm

r min. - 1,6 mm

r2 min. - 1,2 mm

da min. - 35 mm

Da - 58 mm

db min - 33 mm

ra max. - 1,6 mm

rb max. - 1,2 mm

Db - 60 mm

Weight - 0,425 Kg

Basic dynamic load rating (C) - 67 kN

Basic static load rating (C0) - 75,2 kN

(Grease) Lubrication Speed - 6500 r/min

(Oil) Lubrication Speed - 8700 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 1,3

Calculation factor (Y1) - 2,36

• Model Number:2688/2631
• Inner Diameter：26,988mm Outer Diameter：66,421mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:axle lathe,Rolling mill gear box,Textile Industry Accessories and Accessories,Cylinder Type,Polymer,mechanical and electrical,generator,training beds etc,ultra-quiet generators,wall materials,dye pigments
• Similar models:NTN 4T-26880/26822 Timken 42688/42620 NACHI H-26882R/H-26820 Timken 26880/26822A Timken 26881/26824 ISO 26882/26822A KOYO 26882R/26821 KOYO 26881R/26830 Timken 26886/26830 CX 26884/26822
• BEARING POWER International Trading Co.,Ltd. specialize in 2688/2631 products，there is large inventory of KOYO 2688/2631 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 2688/2631 Which KOYO 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.

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  6076 M	560	380	82	SKF	Deep Groove Ball Bearings
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  4T-477/472	63,5	120	29,794	NTN	Tapered Roller Bearings
  5011				Ruville	Wheel Bearings
  6003	17	35	10	Fersa	Deep Groove Ball Bearings
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  62/32	32	65	17	NACHI	Deep Groove Ball Bearings
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  9111KG	55	90	18	Timken	Deep Groove Ball Bearings
  EE420801/421417	203,2	360	92,075	Timken	Tapered Roller Bearings
  GEZ50ES	50,8	80,963	44,45	FBJ	Plain Bearings
  NN3017	85	130	34	CX	Cylindrical Roller Bearings
  NUP208 E	40	80	18	AST	Cylindrical Roller Bearings
  SSR 25	25	56	31	ISB	Plain Bearings
  UCP 203	17			AST	Bearing Units
  UCPA207	35		42.9	NACHI	Bearing Units
  YB 1910	30,162	38,1	15,88	IKO	Needle Roller Bearings
  88038	8	22	.3149	New Departure	DEEP GROOVE BALL BEARINGS
  F61804	20	32	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  A-5348WB	240	500	7.5000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS