Ball Bearing Standard Dimensions Table—Excerpt from JIS
2026/05/07
[Scope of Application]
This technical document explains the key dimensions and mounting dimensions of deep-groove ball bearings.
[Reference Information]
This technical document consists of the following four JIS standards.
- JIS B 1511:1993 "General Specifications for Rolling Bearings"
- JIS B 1513:1995 "Designation of Rolling Bearings"
- JIS B 1512-1:2011 "Rolling bearings—Basic dimensions—Part 1: Radial bearings"
- JIS B 1566:2015 "Rolling Bearings—Mounting Dimensions and Fits"
[Legend]
| "d" | : Bearing inner diameter (shaft diameter) |
|---|---|
| "D" | : Bearing outer diameter (housing inner diameter) |
| "B" | : Bearing width |
| "rs" | : Minimum measured chamfer dimension of the bearing |
| "DH" | : Diameter of the housing shoulder [DH = D – 2h] |
| "ds" | : Diameter of the shaft shoulder [ds = d + 2h] |
| "R" | : Maximum measured radius of the fillet at the corners of the shaft and housing |
| "h" | : Height of the shaft and housing shoulder |
Unit [mm]
| Part Number | d | D | B | rs min | DH max | ds min | R max |
|---|---|---|---|---|---|---|---|
| 6000 | 10 | 26 | 8 | 0.3 | 23.5 | 12.5 | 0.3 |
| 6001 | 12 | 28 | 8 | 0.3 | 25.5 | 14.5 | 0.3 |
| 6002 | 15 | 32 | 9 | 0.3 | 29.5 | 17.5 | 0.3 |
| 6003 | 17 | 35 | 10 | 0.3 | 32.5 | 19.5 | 0.3 |
| 6004 | 20 | 42 | 12 | 0.6 | 37 | 25 | 0.6 |
| 6005 | 25 | 47 | 12 | 0.6 | 42 | 30 | 0.6 |
| 6006 | 30 | 55 | 13 | 1 | 49 | 36 | 1 |
| 6007 | 35 | 62 | 14 | 1 | 56 | 41 | 1 |
| 6008 | 40 | 68 | 15 | 1 | 62 | 46 | 1 |
| 6010 | 50 | 80 | 16 | 1 | 74 | 56 | 1 |
| 6011 | 55 | 90 | 18 | 1.1 | 83 | 62 | 1 |
| 6012 | 60 | 95 | 18 | 1.1 | 88 | 67 | 1 |
| 6013 | 65 | 100 | 18 | 1.1 | 93 | 72 | 1 |
| 6014 | 70 | 110 | 20 | 1.1 | 103 | 77 | 1 |
| 6015 | 75 | 115 | 20 | 1.1 | 108 | 82 | 1 |
- Manufacturer-specific symbols
- NTN: LLB NSK: VV KOYO: 2RU
- rs min is the minimum allowable value for the chamfer dimension.
Unit [mm]
| Part Number | d | D | B | rs min | DH max | ds min | R max |
|---|---|---|---|---|---|---|---|
| 6201 | 12 | 32 | 10 | 0.6 | 27 | 17 | 0.6 |
| 6202 | 15 | 35 | 11 | 0.6 | 30 | 20 | 0.6 |
| 6203 | 17 | 40 | 12 | 0.6 | 35 | 22 | 0.6 |
| 6204 | 20 | 47 | 14 | 1 | 41 | 26 | 1 |
| 6205 | 25 | 52 | 15 | 1 | 46 | 31 | 1 |
| 6206 | 30 | 62 | 16 | 1 | 56 | 36 | 1 |
| 6208 | 40 | 80 | 18 | 1.1 | 73 | 47 | 1 |
| 6210 | 50 | 90 | 20 | 1.1 | 83 | 57 | 1 |
| 6211 | 55 | 100 | 21 | 1.5 | 91.5 | 63.5 | 1.5 |
| 6212 | 60 | 110 | 22 | 1.5 | 101.5 | 68.5 | 1.5 |
| 6214 | 70 | 125 | 24 | 1.5 | 116.5 | 78.5 | 1.5 |
| 6302 | 15 | 42 | 13 | 1 | 36 | 21 | 1 |
| 6303 | 17 | 47 | 14 | 1 | 41 | 23 | 1 |
| 6304 | 20 | 52 | 15 | 1.1 | 45 | 27 | 1 |
| 6305 | 25 | 62 | 17 | 1.1 | 55 | 32 | 1 |
| 6306 | 30 | 72 | 19 | 1.1 | 65 | 37 | 1 |
| 6307 | 35 | 80 | 21 | 1.5 | 71.5 | 43.5 | 1.5 |
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