Four point contact ball bearings

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Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions.

For a given axial load, a limited radial load can also be supported.

The bearings are separable, i.e. the outer ring with ball and cage assembly can be mounted separately from the two inner ring halves.

Both inner ring halves of four-point contact ball bearings have a recessed shoulder.

This improves oil flow when the bearing is used in combination with an cylindrical roller bearing.

In addition, these recesses can be used to facilitate dismounting.

Bearing Number	Bore Dia	Outer DIa	Width	Size
QJ232MA Four point contact ball bearings	250 mm	289 mm	4 mm	40 mm
QJ222MA Four point contact ball bearings	-40 °C	4.78 kN	3.5 Nm	US201G2T04
QJF1020X1MB Four point contact ball bearings	M6x1	140 mm	48 mm	202 mm
QJ1944X1MA Four point contact ball bearings	2 mm	2 mm	66 mm	N/A
QJF1944X1MB Four point contact ball bearings	M6x1	60 mm	32 mm	21 mm
QJ228MA Four point contact ball bearings	7.88 kN	-20 °C	7 mm	25 mm
QJF1032MB Four point contact ball bearings	48 mm	45 kg	63 mm	430 mm
QJ1056N2MA Four point contact ball bearings	0.9 kg	32 mm	NTN	1.5 mm
QJF1022X1MB Four point contact ball bearings	782475581924	Stainless Steel	Normal Duty	Class 24
QJF1038MB Four point contact ball bearings	175 mm	16 mm	-20 °C	R1/8"
QJ1284N2MA Four point contact ball bearings	50 mm	Non/No	P0	CN
QJF1028MB Four point contact ball bearings	71 mm	200 °C	-20 °C	25.4 mm