Image may differ from product. See technical specification for details.
Product number
GB 4920-GB 4960
Bearing model
NNU 4920 BK/SPW33-NNU 4960 BK/SPW33
Width (A)
105mm-148mm
Height (H)
138mm-387mm
Mass
2.5kg-19kg
Standard
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Abutment and fillet dimensions (Da)
QIBR/OEM/Neutral
Package
Standard Export Package
| NO. | Product | Product Number | Bearing model | Height (H) | Mass | Width (A) |
|---|---|---|---|---|---|---|
| 1 |
|
GB 4920 | NNU 4920 BK/SPW33 | 138 mm | 2.5 kg | 128 mm |
| 2 |
|
GB 4921 | NNU 4921 BK/SPW33 | 143 mm | 3 kg | 128 mm |
| 3 |
|
GB 4922 | NNU 4922 BK/SPW33 | 148 mm | 3 kg | 128 mm |
| 4 |
|
GB 4924 | NNU 4924 BK/SPW33 | 162 mm | 3.5 kg | 133 mm |
| 5 |
|
GB 4926 | NNU 4926 BK/SPW33 | 176 mm | 4 kg | 138 mm |
| 6 |
|
GB 4928 | NNU 4928 BK/SPW33 | 186 mm | 4.5 kg | 138 mm |
| 7 |
|
GB 4930 | NNU 4930 BK/SPW33 | 204 mm | 6 kg | 148 mm |
| 8 |
|
GB 4932 | NNU 4932 BK/SPW33 | 212 mm | 6.5 kg | 148 mm |
| 9 |
|
GB 4934 | NNU 4934 BK/SPW33 | 224 mm | 8 kg | 148 mm |
| 10 |
|
GB 4936 | NNU 4936 BK/SPW33 | 237 mm | 9.5 kg | 157 mm |
| 11 |
|
GB 4938 | NNU 4938 BK/SPW33 | 248 mm | 10.5 kg | 157 mm |
| 12 |
|
GB 4940 | NNU 4940 BK/SPW33 | 263 mm | 12 kg | 105 mm |
| 13 |
|
GB 4944 | NNU 4944 BK/SPW33 | 283 mm | 13 kg | 105 mm |
| 14 |
|
GB 4948 | NNU 4948 BK/SPW33 | 303 mm | 14 kg | 105 mm |
| 15 |
|
GB 4952 | NNU 4952 BK/SPW33 | 340 mm | 15 kg | 120 mm |
| 16 |
|
GB 4956 | NNU 4956 BK/SPW33 | 360 mm | 17 kg | 120 mm |
| 17 |
|
GB 4960 | NNU 4960 BK/SPW33 | 387 mm | 19 kg | 135 mm |
Functions of GB 49 internal clearance gauges for cylindrical roller bearings
1. Dimension Measurement
Ensures that the dimensions of bearings conform to design specifications.
2. Quality control
Serves as part of production quality control, helping to check and verify the accuracy of products.
Measurement using GB 49 internal clearance gauges for cylindrical roller bearings
GB 49 internal clearance gauges for cylindrical roller bearings are designed for use with double-row cylindrical roller bearings ranging from NNU 4920 BK to NNU 4960 BK.GB 49 series internal clearance gauges can accurately measure the internal envelope diameter of the roller set when the rollers are in contact with the outer ring raceway.
