Ball Screw Bearing, Diameter 40mm,

5 out of 5 based on 1 reviews | Write a review

$445.69

Ball screw bearing shaft diameter optional 10mm, 15mm, 20mm and 40mm, accuracy grade of C5, the material is made of high-quality bearing steel to make the ball screw end support high-strength operation without deformation.

Model *

SKU: ATO-BSB-BK

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Delivery date: 6-12 days

Overview

Low cost ball screw bearing assembly for sale, diameter 40mm, 20mm, 15mm or 10mm, class C5, low noise, small sliding friction between nut and lead screw, long service life time, simple installation.

Note: Class C5 uses angular contact bearings preloaded with zero axial clearance.

Specification

Model	ATO-BSB-BK10	ATO-BSB-BK15	ATO-BSB-BK20	ATO-BSB-BK30	ATO-BSB-BK40
Shaft Diameter	10mm	15mm	20mm	30mm	40mm
Accuracy Grade	C5	C5	C5	C5	C5
L	25	27	35	45	61
L1	5	6	8	14	18
L2	29	32	43	61	76
L3	5	6	8	9	15
B	60	70	88	128	160
H	39	48	60	89	110
b±0.02	30	35	44	64	80
h1±0.05	22	28	34	51	60
B1	34	40	52	76	100
h1±0.05	32.5	38	50	78	90
E	15	18	22	33	37
P	46	54	70	102	130
C1	13	15	19	23	33
C2	6	6	8	11	14
d3	5.5	5.5	6.6	11	14
d1	6.6	6.6	9	14	18
d2	10.8	11	14	20	26
h	5	6.5	8.5	13	17.5
Weight	0.39kg	0.57kg	1.19kg	3.32kg	6.5kg
Certificate	ISO9001, REACH, RoHS
Warranty	12 Months

Dimension (unit: mm)

Part Details

Number	Part Name	Quantity
1	Housing	1PC
2	Bearing	1 Set
3	Holding Lid	1 PC
4	Collar	2 PCS
5	Scal	2 PCS
6	Lock Nut	1 Set
7	Hexagon socket nut	1PC

Tips: Ball screw support bearing installation

1. Install the fixed side of the ball screw support bearing to the screw.
2. Insert the fixed side of the ball screw support bearing, tighten the lock nut, and fix it with a spacer and an inner hexagonal fixing bolt.
3. The support side bearing is fixed to the screw shaft with a stop ring and installed into the support side support seat.
Note 1: Do not disassemble the support unit.
Note 2: When the screw shaft is inserted into the support unit, be careful not to turn over the flange ball of the oil seal gasket.
Note 3: When using hexagon socket fixing bolts to compress the pad, in order to prevent slack, please coat the hexagon socket fixing bolts with adhesive before tightening.
In addition, when used under severe conditions, measures must be taken to prevent loose pools of other parts.

Existing reviews of Ball Screw Bearing, Diameter 40mm,

worth the price for reliable performance

I purchased the 40mm ball screw bearing for my CNC project, and it performs excellently. Smooth rotation, minimal noise, and high precision. Installation was straightforward, and it feels very durable. Definitely worth the price for reliable performance

From: yuyu | Date: 04/09/2025

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