Needle Roller Bearing Inner Rings

QIBR can supply the inner ring of needle roller bearings separately. In applications where the shaft cannot be hardened and ground, the inner ring is usually used with a needle roller-cage assembly or a drawn cup needle roller bearing. QIBR supplies two series of inner rings: IR series and LR series

QIBR

Model Selection

Filters

NO. Product Product Number Mass Width(B) Bore diameter（d） Raceway diameter（F) Chamfer dimension inner ring(r1，2min.）
1 IR IR 5x8x12 0.0028kg 12mm 5mm 8mm 0.3mm
2 IR IR 5x8x16 0.0037kg 16mm 5mm 8mm 0.3mm
3 IR6x9x12/ IR6x9x12 0.003kg 12mm 6mm 9mm 0.3mm
4 IR6x9x16/ IR6x9x16 0.0043kg 16mm 6mm 9mm 0.3mm
5 IR7x10x10.5/ IR7x10x10.5 0.0031kg 10.5mm 7mm 10mm 0.3mm
6 LR7x10x10.5/ LR7x10x10.5 0.0031kg 10.5mm 7mm 10mm 0.3mm
7 IR7x10x12/ IR7x10x12 0.0036kg 12mm 7mm 10mm 0.3mm
8 IR7x10x16/ IR7x10x16 0.0049kg 16mm 7mm 10mm 0.3mm
9 IR8x12x10 IR8x12x10 IS1 0.0048kg 10mm 8mm 12mm 0.3mm
10 IR8x12x10.5/ IR8x12x10.5 0.005kg 10.5mm 8mm 12mm 0.3mm
11 LR8x12x10.5/ LR8x12x10.5 0.005kg 10.5mm 8mm 12mm 0.3mm
12 IR8x12x12.5/ IR8x12x12.5 0.0059kg 12.5mm 8mm 12mm 0.3mm
13 IR9x12x12/ IR9x12x12 0.0044kg 12mm 9mm 12mm 0.3mm
14 IR9x12x16/ IR9x12x16 0.006kg 16mm 9mm 12mm 0.3mm
15 IR10x13x12.5/ IR10x13x12.5 0.0052kg 12.5mm 10mm 13mm 0.3mm
16 LR10x13x12.5/ LR10x13x12.5 0.0052kg 12.5mm 10mm 13mm 0.3mm
17 IR10x14x13/ IR10x14x13 0.0074kg 13mm 10mm 14mm 0.3mm
18 IR10x14x16/ IR10x14x16 0.0092kg 16mm 10mm 14mm 0.3mm
19 IR10x14x20/ IR10x14x20 0.012kg 20mm 10mm 14mm 0.3mm
20 IR12x15x12/ IR12x15x12 0.0057kg 12mm 12mm 15mm 0.3mm
21 IR12x15x12.5/ IR12x15x12.5 0.0061kg 12.5mm 12mm 15mm 0.3mm
22 LR12x15x12.5/ LR12x15x12.5 0.0061kg 12.5mm 12mm 15mm 0.3mm
23 IR12x15x22.5/ IR12x15x22.5 0.011kg 22.5mm 12mm 15mm 0.3mm
24 IR12x15x16/ IR12x15x16 0.0076kg 16mm 12mm 15mm 0.3mm
25 IR12x15x16.5/ IR12x15x16.5 0.0081kg 16.5mm 12mm 15mm 0.3mm
26 LR12x15x22.5/ LR12x15x22.5 0.011kg 22.5mm 12mm 15mm 0.3mm
27 IR12x16x13/ IR12x16x13 0.0085kg 13mm 12mm 16mm 0.3mm
28 IR12x16x16/ IR12x16x16 0.011kg 16mm 12mm 16mm 0.3mm
29 IR12x16x20/ IR12x16x20 0.014kg 20mm 12mm 16mm 0.3mm
30 IR12x16x22/ IR12x16x22 0.015kg 22mm 12mm 16mm 0.3mm
31 IR14x17x17/ IR14x17x17 0.0095kg 17mm 14mm 17mm 0.3mm
32 LR15x18x12.5/ LR15x18x12.5 0.0072kg 12.5mm 15mm 18mm 0.3mm
33 IR15x18x16/ IR15x18x16 0.0094kg 16mm 15mm 18mm 0.3mm
34 IR15x18x16.5/ IR15x18x16.5 0.0098kg 16.5mm 15mm 18mm 0.3mm
35 IR15x19x16/ IR15x19x16 0.013kg 16mm 15mm 19mm 0.3mm
36 IR15x19x20/ IR15x19x20 0.016kg 20mm 15mm 19mm 0.3mm
37 IR15x20x13/ IR15x20x13 0.014kg 13mm 15mm 20mm 0.3mm
38 IR15x20x23/ IR15x20x23 0.024kg 23mm 15mm 20mm 0.3mm
39 IR17x20x16/ IR17x20x16 0.011kg 16mm 17mm 20mm 0.3mm
40 IR17x20x16.5/ IR17x20x16.5 0.011kg 16.5mm 17mm 20mm 0.3mm
41 LR17x20x16.5/ LR17x20x16.5 0.011kg 16.5mm 17mm 20mm 0.3mm
42 IR17x20x20/ IR17x20x20 0.014kg 20mm 17mm 20mm 0.3mm
43 IR17x20x20.5/ IR17x20x20.5 0.014kg 20.5mm 17mm 20mm 0.3mm
44 IR17x20x30.5/ IR17x20x30.5 0.021kg 30.5mm 17mm 20mm 0.3mm
45 LR17x20x30.5/ LR17x20x30.5 0.021kg 30.5mm 17mm 20mm 0.3mm
46 IR17x22x13/ IR17x22x13 0.015kg 13mm 17mm 22mm 0.3mm
47 IR17x22x16/ IR17x22x16 0.018kg 16mm 17mm 22mm 0.3mm
48 IR17x22x23/ IR17x22x23 0.027kg 23mm 17mm 22mm 0.3mm
49 IR17x24x20/ IR17x24x20 0.034kg 20mm 17mm 24mm 0.6mm
50 IR20x24x16/ IR20x24x16 0.015kg 16mm 20mm 24mm 0.3mm
51 IR20x24x20/ IR20x24x20 0.021kg 20mm 20mm 24mm 0.3mm
52 LR20x25x12.5/ LR20x25x12.5 0.016kg 12.5mm 20mm 25mm 0.3mm
53 LR20x25x16.5/ LR20x25x16.5 0.022kg 16.5mm 20mm 25mm 0.3mm
54 IR20x25x17/ IR20x25x17 0.025kg 17mm 20mm 25mm 0.3mm
55 IR20x25x20/ IR20x25x20 0.028kg 20mm 20mm 25mm 0.3mm
56 IR20x25x20.5/ IR20x25x20.5 0.027kg 20.5mm 20mm 25mm 0.3mm
57 LR20x25x20.5/ LR20x25x20.5 0.027kg 20.5mm 20mm 25mm 0.3mm
58 IR20x25x26.5/ IR20x25x26.5 0.038kg 26.5mm 20mm 25mm 0.3mm
59 LR20x25x26.5/ LR20x25x26.5 0.038kg 26.5mm 20mm 25mm 0.3mm
60 IR20x25x30/ IR20x25x30 0.04kg 30mm 20mm 25mm 0.3mm
61 IR20x25x38.5/ IR20x25x38.5 0.053kg 38.5mm 20mm 25mm 0.3mm
62 IR20x28x20/ IR20x28x20 0.045kg 20mm 20mm 28mm 0.6mm
63 IR22x26x16/ IR22x26x16 0.018kg 16mm 22mm 26mm 0.3mm
64 IR22x26x20/ IR22x26x20 0.023kg 20mm 22mm 26mm 0.3mm
65 IR22x28x17/ IR22x28x17 0.03kg 17mm 22mm 28mm 0.3mm
66 IR22x28x20/ IR22x28x20 0.035kg 20mm 22mm 28mm 0.3mm
67 IR22x28x20.5/ IR22x28x20.5 0.036kg 20.5mm 22mm 28mm 0.3mm
68 IR22x28x30/ IR22x28x30 0.054kg 30mm 22mm 28mm 0.3mm
69 IR25x29x20/ IR25x29x20 0.026kg 20mm 25mm 29mm 0.3mm
70 IR25x29x30/ IR25x29x30 0.039kg 30mm 25mm 29mm 0.3mm
71 LR25x30x12.5/ LR25x30x12.5 0.02kg 12.5mm 25mm 30mm 0.3mm
72 LR25x30x6.5/ LR25x30x6.5 0.027kg 16.5mm 25mm 30mm 0.3mm
73 IR25x30x17/ IR25x30x17 0.027kg 17mm 25mm 30mm 0.3mm
74 IR25x30x20/ IR25x30x20 0.033kg 20mm 25mm 30mm 0.3mm
75 IR25x30x20.5/ IR25x30x20.5 0.033kg 20.5mm 25mm 30mm 0.3mm
76 LR25x30x20.5/ LR25x30x20.5 0.033kg 20.5mm 25mm 30mm 0.3mm
77 IR25x30x26.5/ IR25x30x26.5 0.046kg 26.5mm 25mm 30mm 0.3mm
78 LR25x30x26.5/ LR25x30x26.5 0.046kg 26.5mm 25mm 30mm 0.3mm
79 IR25x30x30/ IR25x30x30 0.053kg 30mm 25mm 30mm 0.3mm
80 IR25x30x32/ IR25x30x32 0.056kg 32mm 25mm 30mm 0.3mm
81 IR25x30x38.5/ IR25x30x38.5 0.065kg 38.5mm 25mm 30mm 0.3mm
82 LR25x30x38.5/ LR25x30x38.5 0.065kg 38.5mm 25mm 30mm 0.3mm
83 IR25x32x22/ IR25x32x22 0.053kg 22mm 25mm 32mm 0.6mm
84 IR IR 28x32x17 0.025kg 17mm 28mm 32mm 0.3mm
85 IR IR 28x32x20 0.029kg 20mm 28mm 32mm 0.3mm
86 IR IR 28x32x30 0.044kg 30mm 28mm 32mm 0.3mm
87 LR30x35x12.5/ LR30x35x12.5 0.023kg 12.5mm 30mm 35mm 0.3mm
88 IR IR 30x35x13 0.025kg 13mm 30mm 35mm 0.3mm
89 IR IR 30x35x16 0.034kg 16mm 30mm 35mm 0.3mm
90 IR IR 30x35x17 0.036kg 17mm 30mm 35mm 0.3mm
91 IR IR 30x35x20 0.039kg 20mm 30mm 35mm 0.3mm
92 IR IR 30x35x20.5 0.04kg 20.5mm 30mm 35mm 0.3mm
93 LR30x35x20.5/ LR30x35x20.5 0.04kg 20.5mm 30mm 35mm 0.3mm
94 IR IR 30x35x26 0.05kg 26mm 30mm 35mm 0.3mm
95 IR IR 30x35x30 0.059kg 30mm 30mm 35mm 0.3mm
96 IR IR 30x37x22 0.092kg 22mm 30mm 37mm 0.6mm
97 IR IR 32x37x20 0.042kg 20mm 32mm 37mm 0.3mm
98 IR IR 32x37x30 0.062kg 30mm 32mm 37mm 0.3mm
99 IR IR 32x40x20 0.068kg 20mm 32mm 40mm 0.6mm
100 IR IR 32x40x36 0.12kg 36mm 32mm 40mm 0.6mm

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