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Search for the bearing model you need
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 |
|
QGB 4920 | NNU 4920 BK/SPW33 | 138 mm | 2.5 kg | 128 mm |
| 2 |
|
QGB 4921 | NNU 4921 BK/SPW33 | 143 mm | 3 kg | 128 mm |
| 3 |
|
QGB 4922 | NNU 4922 BK/SPW33 | 148 mm | 3 kg | 128 mm |
| 4 |
|
QGB 4924 | NNU 4924 BK/SPW33 | 162 mm | 3.5 kg | 133 mm |
| 5 |
|
QGB 4926 | NNU 4926 BK/SPW33 | 176 mm | 4 kg | 138 mm |
| 6 |
|
QGB 4928 | NNU 4928 BK/SPW33 | 186 mm | 4.5 kg | 138 mm |
| 7 |
|
QGB 4930 | NNU 4930 BK/SPW33 | 204 mm | 6 kg | 148 mm |
| 8 |
|
QGB 4932 | NNU 4932 BK/SPW33 | 212 mm | 6.5 kg | 148 mm |
| 9 |
|
QGB 4934 | NNU 4934 BK/SPW33 | 224 mm | 8 kg | 148 mm |
| 10 |
|
QGB 4936 | NNU 4936 BK/SPW33 | 237 mm | 9.5 kg | 157 mm |
| 11 |
|
QGB 4938 | NNU 4938 BK/SPW33 | 248 mm | 10.5 kg | 157 mm |
| 12 |
|
QGB 4940 | NNU 4940 BK/SPW33 | 263 mm | 12 kg | 105 mm |
| 13 |
|
QGB 4944 | NNU 4944 BK/SPW33 | 283 mm | 13 kg | 105 mm |
| 14 |
|
QGB 4948 | NNU 4948 BK/SPW33 | 303 mm | 14 kg | 105 mm |
| 15 |
|
QGB 4952 | NNU 4952 BK/SPW33 | 340 mm | 15 kg | 120 mm |
| 16 |
|
QGB 4956 | NNU 4956 BK/SPW33 | 360 mm | 17 kg | 120 mm |
| 17 |
|
QGB 4960 | NNU 4960 BK/SPW33 | 387 mm | 19 kg | 135 mm |
Functions of QGB 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 QGB 49 internal clearance gauges for cylindrical roller bearings
QGB 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.QGB 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.
