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Deep Groove Ball Bearings->Bearing Tolerance
0 Grade Toterance inner ring
d
mm 		dmp Vdp Vdmp Kia Bs VBs  
Diameter series  
9 0.1 2.3.4 All Nomal Correct  
Max Up Down
Over To Up Down  
0.61) 2.5 0 -8 10 8 6 6 10 0 -40 - 12  
2.5 10 0 -8 10 8 6 6 10 0 -120 -250 15  
10 18 0 -8 10 8 6 6 10 0 -120 -250 20  
18 30 0 -10 13 10 8 8 13 0 -120 -250 20  
30 50 0 -12 15 12 9 9 15 0 -120 -250 20  
50 80 0 -15 19 19 11 11 20 0 -150 -380 25  
80 120 0 -20 25 25 15 15 25 0 -200 -380 25  
0  Grade Toterance outer ring
D
mm 		Dmp VDp VDmp Kea Ce
C1s 		VC1
VC1s
Open Shield
Diameter series
9 0.1 2.3.4 2.3.4
Over To Up Down Max Max Max Up Down Max
2.51) 6 0 -8 10 8 6 10 6 15 Same as the Bs and VBs of same bearing’s inner ring
6 18 0 -8 10 8 6 10 6 15
18 30 0 -9 12 9 7 12 7 15
30 50 0 -11 14 11 8 16 8 20
50 80 0 -13 16 13 10 20 10 25
80 120 0 -15 19 19 11 26 11 35
120 150 0 -18 23 23 14 30 14 40
150 180 0 -25 31 31 19 38 19 45
6  Grade Toterance inner ring
d
mm 		Dmp Vdp Vdmp Kia Bs VBs
Diameter series
9 0.1 2.3.4 All Nomal Correct
Over To Up Down Max Max Max Up Down Max
0.61) 2.5 0 -7 9 7 5 5 5 0 -40 - 12
2.5 10 0 -7 9 7 5 5 6 0 -120 -250 15
10 18 0 -7 9 7 5 5 7 0 -120 -250 20
18 30 0 -8 10 8 6 6 8 0 -120 -250 20
30 50 0 -10 13 10 8 8 10 0 -120 -250 20
50 80 0 -12 15 15 9 9 10 0 -150 -380 25
80 120 0 -15 19 19 11 11 13 0 -200 -380 25
6 Grade Toterance outer ring
D
mm 		Dmp VDp VDmp Kea Ce
C1s 		VC1
VC1a
Open Shield
Diameter series
9 0.1 2.3.4 2.3.4
Over To Up Down Max Max Max Up Down Max
2.51) 6 0 -7 9 7 5 9 5 8 Same as the Bs and VBs of same bearing’s inner ring
6 18 0 -7 9 7 5 9 5 8
18 30 0 -8 10 8 6 10 6 9
30 50 0 -9 11 9 7 13 7 10
50 80 0 -11 14 11 8 16 8 13
80 120 0 -13 16 16 10 20 10 18
120 150 0 -15 19 19 11 25 11 20
150 180 0 -18 23 23 14 30 14 23
5  Grade Toterance inner ring
d
mm 		Dmp Vdp Vdmp Kia Sd Sia Bs VBs
Diameter series
9 0.1.2.3.4 All Homal Correct
Over To Up Down Max Max Max Max Max Up Down Max
0.61) 2.5 0 -5 5 4 3 4 7 7 0 -40 -250 5
2.5 10 0 -5 5 4 3 4 7 7 0 -40 -250 5
10 18 0 -5 5 4 3 4 7 7 0 -80 -250 5
18 30 0 -6 6 5 3 4 8 8 0 -120 -250 5
30 50 0 -8 8 6 4 5 8 8 0 -120 -250 5
50 80 0 -9 9 7 5 5 8 8 0 -150 -250 6
80 120 0 -10 10 8 5 6 9 9 0 -200 -380 7
5  Grade Toterance outer ring
d
mm 		Dmp VDp VDmp Kea Sd
Sdl 		Sea Seal Cs
Cls 		VBs
Diameter series
9 0.1.2.3.4
Over To Up Down Max Max Max Max Max Max Up Down Max
2.51) 6 0 -5 5 4 3 5 8 8 11 Same as the Bs of same bearing’s inner ring 5
6 18 0 -5 5 4 3 5 8 8 11 5
18 30 0 -6 6 5 3 6 8 8 11 5
30 50 0 -7 7 5 4 7 8 8 11 5
50 80 0 -9 9 7 5 8 8 10 14 6
80 120 0 -10 10 8 5 10 9 11 16 8
120 150 0 -11 11 8 6 11 10 13 18 8
150 180 0 -13 13 10 7 13 10 14 20 8
4  Grade Toterance inner ring
d
mm 		Dmp Ds Vdp Vdmp Kia Sd Sia Bs VBs
Diameter series
9 0.1.2.3.4 All Homal Correct
Over To Up Down Up Down Max Max Max Max Max Up Down Max
0.61) 2.5 0 -4 0 -4 4 3 2 2.5 3 3 0 -40 -250 2.5
2.5 10 0 -4 0 -4 4 3 2 2.5 3 3 0 -40 -250 2.5
10 18 0 -4 0 -4 4 3 2 2.5 3 3 0 -80 -250 2.5
18 30 0 -5 0 -5 5 4 2.5 3 4 4 0 -120 -250 2.5
30 50 0 -6 0 -6 6 5 3 4 4 4 0 -120 -250 3
50 80 0 -7 0 -7 7 5 3.5 4 5 5 0 -150 -250 4
80 120 0 -8 0 -8 8 5 4 5 5 5 0 -200 -380 4
4 Grade Toterance outer ring
d
mm 		Dmp Ds VDp VDmp Kea Sd
Sdl 		Sea Seal Cs
Cls 		VCs
VCls
Diameter series
9 0.1.2.3.4
Over To Up Down Up Down Max Max Max Max Max Max Up Down Max
2.51) 6 0 -4 0 -4 4 3 2 3 4 5 7 Same as the Bs of same bearing’s inner ring 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 3
80 120 0 -8 0 -8 8 6 4 6 5 6 8 4
120 150 0 -9 0 -9 9 7 5 7 5 7 10 5
150 180 0 -10 0 -10 10 8 5 8 5 8 11 5
2 Grade Toterance inner ring
d
mm 		Dmp Ds Vdp Vdmp Kia Sd Sia Bs VBs
All Homal Correct
Over To Up Down Up Down Max Max Max Max Max Up Down Max
0.61) 2.5 0 -2.5 0 -2.5 2.5 1.5 1.5 1.5 1.5 0 -40 -250 1.5
2.5 10 0 -2.5 0 -2.5 2.5 1.5 1.5 1.5 1.5 0 -40 -250 1.5
10 18 0 -2.5 0 -2.5 2.5 1.5 1.5 1.5 1.5 0 -80 -250 1.5
18 30 0 -2.5 0 -2.5 2.5 1.5 2.5 1.5 2.5 0 -120 -250 1.5
30 50 0 -2.5 0 -2.5 2.5 1.5 2.5 1.5 2.5 0 -120 -250 1.5
50 80 0 -4 0 -4 4 2 2.5 1.5 2.5 0 -150 -250 1.5
80 120 0 -5 0 -5 5 2.5 2.5 2.5 2.5 0 -200 -380 2.5
2 Grade Toterance outer ring
d
mm 		Dmp Ds VDp VDmp Kea Sd
Sdl 		Sea Seal Cs
Cls 		VCs
VCls
Over To Up Down Up Down Max Max Max Max Max Max Up Down Max
2.51) 6 0 -2.5 0 -2.5 2.5 1.5 1.5 1.5 1.5 3 Same as the Bs of same bearing’s inner ring 1.5
6 18 0 -2.5 0 -2.5 2.5 1.5 1.5 1.5 1.5 3 1.5
18 30 0 -4 0 -4 4 2 2.5 1.5 2.5 4 1.5
30 50 0 -4 0 -4 4 2 2.5 1.5 2.5 4 1.5
50 80 0 -4 0 -4 4 2 4 1.5 4 6 1.5
80 120 0 -5 0 -5 5 2.5 5 2.5 5 7 2.5
120 150 0 -5 0 -5 5 2.5 5 2.5 5 7 2.5
150 180 0 -7 0 -7 7 3.5 5 2.5 5 7 2.5
Deep Groove Ball Bearings Production Scope:
 
Miniature ball bearings; Miniature bearings;
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