d - 31,75 mm

D - 72 mm

B - 37,6 mm

B1 - 51,1 mm

C - 20 mm

d1 - 55,6 mm

r min. - 1,1 mm

C - 5,5 mm

S - 18,8 mm

S2 - 6,8 mm

Thread (G) - 5/16-24UNF

Weight - 0,65 Kg

Basic dynamic load rating (C) - 25,7 kN

Basic static load rating (C0) - 15,4 kN

Calculation factor (f0) - 13,9

• Model Number:NA207-21
• Inner Diameter：31,75mm Outer Diameter：72mm Width：37,6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Chromatography Products,chamfer,sanitation facilities,marine analysis and testing equipment,leather processing,manual Tools,medical equipment,Cylinder Micro,X-ray Equipment,walking Food processing machinery and equipment,Water Monitoring
• Similar models:ISO 4207-2RS ISB 6207-ZZ FYH RB207-22 KOYO 6207Z SKF W6207-2Z Timken G1207KRRB KOYO ER207-21 CX UK207+H2307 SNR 6207HT200ZZ KOYO 3NC6207HT4GF
• BEARING POWER International Trading Co.,Ltd. specialize in NA207-21 products，there is large inventory of KOYO NA207-21 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA207-21 Which KOYO NA207-21 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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  230/900	900	1280	280	ISB	Spherical Roller Bearings
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  6300	10	35	11	FAG	Deep Groove Ball Bearings
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  M86643/10	25,4	64,292	21,433	CX	Tapered Roller Bearings
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  5411A	55	140	63.50	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  BEAS017047-2RS	17	47	25	SKF	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  CCF-13/8-SB	.5000	1.3750	.7500	McGill	NEEDLE BEARINGS
  32218J2	90	160	40	SKF	TAPERED ROLLER BEARINGS
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  N-1036-KMSP/5	180	280	46	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  94324	.7500	1.2500	1.5000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES