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GB 49 internal clearance gauges for cylindrical roller bearings

QIBR's internal clearance gauges in the GB 49 series are specifically engineered to provide precise measurements for double row cylindrical roller bearings, covering models from NNU 4920 BK to NNU 4960 BK. These gauges are designed to accurately assess the internal envelope diameter of the roller set when rollers make contact with the outer ring raceway. This capability ensures meticulous verification of dimensional integrity, crucial for ensuring optimal functioning and assembly consistency in various industrial applications. The GB 49 series stands as a testament to QIBR's commitment to high-precision tools that support quality assurance in manufacturing processes.

Product number

GB 4920-GB 4960

Наименование подшипника

NNU 4920 BK/SPW33-NNU 4960 BK/SPW33

Ширина (A)

105mm-148mm

Высота (H)

138mm-387mm

Вес

2.5kg-19kg

Стандарт

GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh

Размеры абатмента и галтели (Da)

QIBR/OEM/Neutral

Упаковка

Standard Export Package

QIBR Model Selection

Filters

Наименование подшипника

Высота (H)

Вес

Ширина (A)

NO.	Product Number	Наименование подшипника	Высота (H)	Вес	Ширина (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.