Housing integral cast iron forged and rust-proof painted.
Assembly of self-aligning chrome steel sealed bearings.
Simple installation and easy maintenance lubrication system.
Compensate shaft misalignment and strong and durable.
Reduce costs and replacement frequency, Kent bearings simple and efficient choice.

UCT Series Pillow Block Ball Bearings Parameters

Wide Application of Pillow Block Bearings

Customization Welcomed:

We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
We can custom your packaging according to your design.
All copyright owned by clients and we promised don't disclose any information.

Packing and Shipping:

The deep groove ball bearings will be securely packaged individually, or tube packing or packed as customization packing
Shipping method is negotiable.

ABEC-1 Tolerance Class ABEC-1 (P0)

Outer Ring									Tolerance in um/s
D mm		Δdmp		VDp²)⁴)Open Bearings Diameter Series			Capped Bearings²)³)	Vdmp	Kia	ΔBs		Vbs
D mm		Δdmp		9	0,1	2,3,4	2,3,4	Vdmp	Kia	ΔBs		Vbs
over	including	high	low	max				max	max	high	low	max
1)2.5	6	0	-8	10	8	6	10	6	15	Identical to ΔBs and VBs of inner ring of same bearing
6	18	0	-8	10	8	6	10	6	15
18	30	0	-9	12	9	7	12	7	15
30	50	0	-11	14	11	8	16	8	20
50	80	0	-13	16	13	10	20	10	25
80	120	0	-15	19	19	11	26	11	35
120	150	0	-18	23	23	14	30	14	40

ABEC-3 Tolerance Class ABEC-3 (P6)

Outer Ring									Tolerance in um/s
D mm		Δdmp		VDp²)⁴)Open Bearings Diameter Series			Capped Bearings²)³)	Vdmp	Kia	ΔBs		Vbs
D mm		Δdmp		9	0,1	2,3,4	2,3,4	Vdmp	Kia	ΔBs		Vbs
over	including	high	low	max				max	max	high	low	max
1)2.5	6	0	-7	9	7	5	9	5	8	Identical to ΔBs and VBs of inner ring of same bearing
6	18	0	-7	9	7	5	9	5	8
18	30	0	-8	10	8	6	10	6	9
30	50	0	-9	11	9	7	13	7	10
50	80	0	-11	14	11	8	16	8	13
80	120	0	-13	16	16	10	20	10	18
120	150	0	-15	19	19	11	25	11	20

ABEC-5 Tolerance Class ABEC-5 (P5)

ABEC-7 Tolerance Class ABEC-7 (P4)

Outer Ring												Tolerance in um/s
D mm		Δdmp		Δds		Vdp²)Diameter Series		Vdmp	Kia	Sd	Sia	ΔBs		Vbs
D mm		Δdmp		Δds		7,8,9	1,7,2,3,4	Vdmp	Kia	Sd	Sia	ΔBs		Vbs
over	including	high	low	high	low	max		max	max	max	max	High	low	max
1)2.5	6	0	-4	0	-4	4	3	2	3	4	5	Identical to ΔBs and VBs of inner ring of same bearing		2.5
6	18	0	-4	0	-4	4	3	2	3	4	5			2.5
18	30	0	-5	0	-5	5	4	2.5	4	4	5			2.5
30	50	0	-6	0	-6	6	5	3	5	4	5			2.5
50	80	0	-7	0	-7	7	5	3.5	5	4	5			3
80	120	0	-8	0	-8	8	6	4	6	5	6			4
120	150	0	-9	0	-9	9	7	5	7	5	7			5

Tolerance Data for Vibration of Single Bearing

Maximum Vibration Acceleration of Single Bearing

Company brand KYODO YUSHI	Product	Base oil	Usage range	Characteristics


EXXON	Multemp SRL	Polyol ester+Diester	(-50,+150)	Excellent noise suppressantproperty and extended performance life
	Multemp PS	Diester+Refined mineral oil	(-50,+130)	Excellent low temperature performance,has outstanding noise suppressant property
	Multemp SM-B	Synthetic hydrocarbon	(-50,+200)	Long service life under high temperature,Excellent low temperature performance,has high speed operation,low noise property
	Multemp ET-K	SyntheticEther +Polyol ester	(-40≥,+200)	Has more extended life under high operating temperature condition
MOBILE	Polyrex EM	Mineral grease	(-40,+180)	Long life and high temperature
	Beacon325	Synthetic grease	(-54,+150)	General purpose grease
	Andok C	Channeling petroleum grease	(-27,+120)	Smooth running,long life with minimum migration
CHEVRON	Mobil 28(MIL-G-81322)	Synthetic hydrocarbon	(-54,+177)	Wide temperature range,good low temperature torque
CHEVRON	Mobil HP	Lithium complex	(-30,+110)	Vibration,moderate speed and good corrosion resistance
SHELL	SRI-2	Mineral grease	(-30,+180)	High temperature range,good water resistance
DUPONT	Alvania 2	Mineral grease	(-35,+120)	Long life and high temperature
DUPONT	RLQ #2	Mineral grease	(-50,+150)	Low noise,high speed and high temperature
KLUBER	ASONIC	Synthetic hydrocarbon	(-50,+140)	High temperature stability with good lubricity properties
JINZHI	HANGU 2#	Mineral grease	(-20,+120)	Low noise
JINZHI	HTHS	Mineral grease	(-40,+180)	High speed,low temperature,low torque and low noise

The Radial Clearance of Bearings with Electric Motor Quality

Datas of the Mini-deep Groove Bearings Under No Load As Follows:										Tolerance in um
Bore				Inch R Series	C2		NORMAL		C3		C4
Over		Including			C2		NORMAL		C3		C4
mm	inch	mm	inch		min	max	min	max	min	max	min
2.5	0.0984	10	0.3937	R2-R6	0	7	2	13	8	23	14
10	0.3937	18	0.7087	R8-R10	0	9	3	18	11	25	18
18	0.7087	24	0.9449	R12-R14	0	10	5	20	13	58	20
24	0.9449	30	1.1811	R16-18	1	11	5	20	13	28	23
30	1.1811	40	1.5748	R20-R24	1	11	6	20	15	33	28
40	1.5748	50	1.9685		1	11	6	23	18	36	30
50	1.9685	65	2.5591		1	12	8	28	23	43	38

Datas of the Mini-deep Groove Bearings Under No Load As Follows:									Tolerance in um
Clearance Code	MC1		MC2		MC3		MC4		MC5
Clearance	min	max	min	max	min	max	min	max	min	max
Clearance	1	6	4	9	6	11	9	14	15	22

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