Inner ring needle bearings

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Pros
  • Chamfers on the end faces facilitate the mounting of the rings on the needle roller or of the bearing ring on the needle roller.
  • Also prevents damage to the bearing seal.
Product details
  • Manufactured from hardened roller bearing steel.
  • The track has undergone precision machining.
  • Many inner rings are available with lubrication holes.
Product
Unit

Inside diameter

d

Outside diameter

F

Width/length

B

Regreasable

Original number equivalent

Extra info

Material

Weight

Each
6 mm
9 mm
12 mm
No
IR6X9X12
Each
8 mm
12 mm
10 mm
Yes
IR8X12X10-IS1
Each
8 mm
12 mm
10,5 mm
No
IR8X12X10,5
Each
9 mm
12 mm
12 mm
No
IR9X12X12
Each
9 mm
12 mm
16 mm
No
IR9X12X16
Each
10 mm
14 mm
12 mm
Yes
IR10X14X12-IS1
Each
10 mm
14 mm
13 mm
No
IR10X14X13
Each
10 mm
14 mm
16 mm
No
IR10X14X16
Each
10 mm
14 mm
20 mm
No
IR10X14X20
Each
12 mm
15 mm
12,5 mm
No
LR12X15X12,5
Greater tolerances than the IR rings
Each
12 mm
15 mm
16 mm
No
IR12X15X16
Steel
0,008 kg
Each
12 mm
15 mm
16 mm
No
IR12X15X16
Each
12 mm
15 mm
16,5 mm
No
IR12X15X16,5
Each
12 mm
16 mm
13 mm
No
IR12X16X13
Each
12 mm
16 mm
16 mm
No
IR12X16X16
Each
12 mm
16 mm
20 mm
No
IR12X16X20
Each
12 mm
16 mm
22 mm
No
IR12X16X22
Each
15 mm
18 mm
16 mm
No
IR15X18X16
Each
15 mm
18 mm
16,5 mm
No
IR15X18X16,5
Each
15 mm
20 mm
13 mm
No
IR15X20X13
Each
15 mm
20 mm
23 mm
No
IR15X20X23
Each
17 mm
20 mm
16 mm
No
IR17X20X16
Each
17 mm
20 mm
16,5 mm
No
LR17X20X16,5
Greater tolerances than the IR rings
Each
17 mm
20 mm
20 mm
No
IR17X20X20
Each
17 mm
20 mm
20,5 mm
No
IR17X20X20,5
Each
17 mm
20 mm
30,5 mm
No
IR17X20X30,5
Each
17 mm
22 mm
13 mm
No
IR17X22X13
Each
17 mm
22 mm
16 mm
No
IR17X22X16
Each
17 mm
22 mm
23 mm
No
IR17X22X23
Each
20 mm
24 mm
20 mm
No
IR20X24X20
Each
20 mm
25 mm
16 mm
Yes
IR20X25X16-IS1
Each
20 mm
25 mm
20 mm
No
IR20X25X20
Each
20 mm
25 mm
20,5 mm
No
LR20X25X20,5
Greater tolerances than the IR rings
Each
20 mm
25 mm
26,5 mm
No
IR20X25X26,5
Each
20 mm
25 mm
26,5 mm
No
LR20X25X26,5
Greater tolerances than the IR rings
Each
20 mm
25 mm
30 mm
No
IR20X25X30
0,0404 kg
Each
20 mm
25 mm
30 mm
No
IR20X25X30
Each
20 mm
25 mm
38,5 mm
No
IR20X25X38,5-EGS
Each
22 mm
26 mm
20 mm
No
IR22X26X20
Each
25 mm
29 mm
20 mm
No
IR25X29X20
Each
25 mm
29 mm
30 mm
No
IR25X29X30
Each
25 mm
30 mm
12,5 mm
No
LR25X30X12,5
Greater tolerances than the IR rings
Each
25 mm
30 mm
16 mm
Yes
IR25X30X16-IS1
Each
25 mm
30 mm
17 mm
No
IR25X30X17
Each
25 mm
30 mm
20 mm
No
IR25X30X20
Steel
0,034 kg
Each
25 mm
30 mm
20 mm
No
IR25X30X20-XL
Each
25 mm
30 mm
20,5 mm
No
IR25X30X20,5
Each
25 mm
30 mm
20,5 mm
No
LR25X30X20,5
Greater tolerances than the IR rings
Each
25 mm
30 mm
26,5 mm
No
IR25X30X26,5
Each
25 mm
30 mm
30 mm
No
IR25X30X30
Each
25 mm
30 mm
30 mm
No
IR25X30X30
Steel
0,05 kg
Each
25 mm
30 mm
32 mm
No
IR25X30X32
Steel
0,053 kg
Each
25 mm
30 mm
38,5 mm
No
IR25X30X38,5
Each
25 mm
30 mm
38,5 mm
No
LR25X30X38,5
Greater tolerances than the IR rings
Each
25 mm
32 mm
22 mm
No
IR25X32X22
Each
28 mm
32 mm
20 mm
No
IR28X32X20
Each
28 mm
32 mm
30 mm
No
IR28X32X30
Steel
0,044 kg
Each
30 mm
35 mm
12,5 mm
No
LR30X35X12,5
Greater tolerances than the IR rings
Each
30 mm
35 mm
13 mm
No
IR30X35X13
Each
30 mm
35 mm
17 mm
No
IR30X35X17
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
6
9
12
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
8
12
10
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
8
12
10,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
9
12
12
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
9
12
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
10
14
12
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
10
14
13
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
10
14
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
10
14
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
15
12,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
15
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
15
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
15
16,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
16
13
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
16
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
16
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
12
16
22
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
15
18
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
15
18
16,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
15
20
13
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
15
20
23
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
20
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
20
16,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
20
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
20
20,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
20
30,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
22
13
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
22
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
17
22
23
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
24
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
20,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
26,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
26,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
20
25
38,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
22
26
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
29
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
29
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
12,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
16
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
17
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
20,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
20,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
26,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
32
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
38,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
30
38,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
25
32
22
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
28
32
20
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
28
32
30
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
30
35
12,5
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
30
35
13
Inside diameter (millimetre)
Outside diameter (millimetre)
Width/length (millimetre)
30
35
17