Four-Point Contact Ball Bearings

Four point contact ball bearingsare 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 (Load ratio). 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 VXO Explorer 4 point contact ball bearings have a recessed shoulder. This improves oil flow when the bearing is used in combination with an VXO cylindrical roller bearing (fig. 1). In addition, these recesses can be used to facilitate dismounting.

Four-Point Contact Ball Bearings

Features of Four-Point Contact Ball Bearings

Accommodates axial loads in both directions

Less axial space

These bearings take up considerably less axial space than double row bearings.

High load carrying capacity

A large number of balls are incorporated, giving the bearing its high load carrying capacity.

Separable design

The split inner ring leads to easier mounting and dismounting of the bearing.

Improved oil flow

Limited inner ring deformation when subjected to high clamping forces

Specification of Four-Point Contact Precision Ball Bearings

Dimensions				Basic load rating
Designations(seals)	d	D	B	C	C0
3200 A-2RS1	10	30	14,3
3201 A-2RS1	12	32	15,9
3202 A-2RS1	15	35	15,9
3302 A-2RS1	15	42	19
3203 A-2RS1	17	40	17,5
3303 A-2RS1	17	47	22,2
	20	47	20,6
*3204 A-2RS1	20	47	20,6
	20	52	22,2
*3304 A-2RS1	20	52	22,2
	25	52	20,6
*3205 A-2RS1	25	52	20,6
	25	62	25,4
*3305 A-2RS1	30	62	25,4
	30	62	23,8
*3206 A-2RS1	30	62	23,8
	30	72	30,2
*3306 A-2RS1	30	72	30,2
	35	72	27
*3207 A-2RS1	35	72	27
	35	80	34,9
*3307 A-2RS1	35	80	34,9
	40	80	30,2
*3208 A-2RS1	40	80	30,2
	40	90	36,5
*3308 A-2RS1	40	90	36,5
	45	85	30,2
*3209 A-2RS1	45	85	30,2
	45	100	39,7	72
*3309 A-2RS1	45	100	39,7	72
	50	110	44,4
*3310 A-2RS1	50	110	44,4
	55	100	33,3
*3211 A-2RS1	55	100	33,3
	55	120	49,2
*3311 A-2RS1	55	120	49,2
	60	110	36,5
*3212 A-2RS1	60	110	36,5
	60	130	54
*3312 A-2Z	60	130	54
3212 A-2RS1	65	120	38,1
*3313 A-2Z	65	140	58,7
3214 A-2Z	70	125	39,7
*3314 A-2Z	70	150	63,5		120
3215 A-2Z	75	130	41,3
*3315 A-2Z	75	160	68,3

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