NNN Products catalog - WAFANGDIAN ROLLING BEARING MAKING CO.,LTD - (Version JPG) - Page n° 29 - PDF Catalogue | Technical Documentation

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Tapered roller thrust bearing, Deep groove ball bearing, Roller bearing, Tapered roller bearing, Cylindrical roller thrust bearing

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WAFANGDIAN ROLLING BEARING MAKING CO.,LTD.

THE TOLERANCE OF ROLLING BEARINGS-4 GRADE

The tolerance of radial bearing(TRB not included):

The diameter tolerance stipulated below is siutable for cylindrical bore,the diameter series listed in the table are according to GB 273.3.


4 grade (outer ring)
Outside diameter D mm		Dimensional tolerance of mean outside diameter with plane ADmp		Outside diameter deviation ADs²⁾³⁾⁴⁾		Outside diameter variation VDp³⁾⁴⁾		Mean outside diameter variation VDmp	Outer ring radial runout Kea	Outside surface inclination SD⁵⁾SD1⁶⁾	outside ring axial runout Sea⁵⁾⁶⁾	Flange surface axial runout Sea1⁶⁾	Outer ring width deviation AOs AC1s		Outer ring width variation VCs VC1s
						Diameter series
						9	0,1,2,3,4
From	To	High	Low	High	Low	max		max	max	max	max	max	High	low	max
2.5¹⁾	6	0	-4	0	-4	-4	3	2	3	4	5	7	TheABs and VBs are same of one bearing		2.5
6	18	0	-4	0	-4	-4	3	2	3	4	5	7			2.5
18	30	0	-5	0	-5	-5	4	2.5	4	4	5	7			2.5
30	50	0	-6	0	-6	-6	5	3	5	4	5	7			2.5
50	80	0	-7	0	-7	-7	5	3.5	5	4	5	7			2.5
80	120	0	-8	0	-8	-8	6	4	6	5	6	8			3
120	150	0	-9	0	-9	-9	7	5	7	5	7	10			4
150	180	0	-10	0	-10	-10	8	5	8	5	8	11			5
180	250	0	-11	0	-11	-11	8	6	10	7	10	14			5
250	315	0	-13	0	-13	-13	10	7	11	8	10	14			7
315	400	0	-15	0	-15	-15	11	8	13	10	13	18			8

ote:1) Include 2.5

2) Just applies to diameter series 0,1,2,3,4

3) Diameter series 7 and 8 no fixed parameter

4) Seal and shield bearing have no fix parameter

5) Not apply to flanged outer ring bearing

6) Applied just to deep groove ball bearing and angular contact ball bearing