Pillow Blocks

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[Features] This is a lubrication-free pillow block bearing unit. There are 2 types available: the fixed set screw type and the eccentric ring type.

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Type	Pillow Blocks	Component Material
Type	Pillow Blocks	Housing	Bearing	Rubber Seal	Set Screw	Eccentric Ring
Set Screw Fixed	PBT	Zinc Alloy Die Casting (Zinc Die Cast)	EN 1.3505 Equiv.	Nitrile Rubber (NBR)	EN 1.7220 Equiv.	-
Eccentric Ring Fixed	PBR	Zinc Alloy Die Casting (Zinc Die Cast)	EN 1.3505 Equiv.	Nitrile Rubber (NBR)	EN 1.7220 Equiv.	EN 1.1149 Equiv.
	PBRS	Zinc Alloy Die Casting (Zinc Die Cast) + Nickel Chrome Plating	EN 1.4125 Equiv.	Nitrile Rubber (NBR)	EN 1.4301 Equiv.	EN 1.1149 Equiv. + Nickel Chrome Plating
	PBRSX	Stainless Steel Cast (EN 1.4308 Equiv.)	EN 1.4125 Equiv.	Nitrile Rubber (NBR)	EN 1.4301 Equiv.	EN 1.4301 Equiv.

Specifications

Part Number

PBR15

Part Number		H	L	L₁	A	d	t		H₁		B		S
Part Number							PBT PBR PBRS	PBRSX	PBT PBR PBRS	PBRSX	PBT	PBR PBRS PBRSX
Type	D						PBT PBR PBRS	PBRSX	PBT PBR PBRS	PBRSX	PBT	PBR PBRS PBRSX
PBT PBR PBRS PBRSX (D10~25)	10	18	67	53	16	7	6	5	35	34	14	17.5	4
	12	19	71	56	16	7	6	6	38	37	14.5	17.5	4
	15	22	80	63	16	7	7	6	43	42	16.5	18.5	4.5
	17	24	85	67	18	7	7	7	47	46	17.5	20.5	5
	20	28	100	80	20	10	9	8	55	53.5	21	24.5	6
	25	32	112	90	20	10	10	9	62	60.5	22.5	25.5	6
	30	36	132	106	26	13	11	-	70	-	24.5	26.5	6.5

D	Basic Load Rating				Set Screw Detailed Dimensions						Mass (g)
	Cr (Dynamic) N		Cor (Static) N		Set Screw Fixed			Eccentric Ring Fixed			PBT	PBR PBRS	PBRSX
	PBT	PBRS	PBT	PBRS	M	Tightening Torque	Axial Load Capacity (kN)	M	Tightening Torque	Axial Load Capacity (kN)
	PBR	PBRSX	PBR	PBRSX		(N • m)			(N • m)
10	4600	3900	2000	1550	M3x0.35	0.59	0.35	M4x0.7	1.5	0.88	70	77	79
12	5100	4300	2400	1900							80	91	98
15	5600	4750	2800	2250	M4x0.5	1.47	0.43				120	125	129
17	6000	5100	3300	2650							140	156	170
20	9350	7900	5100	4000	M5x0.5	2.94	0.72	M5x0.8	2.9	1.76	210	230	258
25	10100	8600	5800	4650							270	294	333
30	13200	11300	8300	6600							410	454	-

kgf=Nx0.101972

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Part Number
PBR10
PBR12
PBR15
PBR17
PBR20
PBR25
PBR30
PBRS10
PBRS12
PBRS15
PBRS17
PBRS20
PBRS25
PBRS30
PBT10
PBT12
PBT15
PBT17
PBT20
PBT25
PBT30

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Shaft Bore Dia. D (mm)	Unit Body Material	Bearing Inner Dia. Shape	Material Bearing	Mounting Height H (mm)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)
10.59 €	1	Available	Same day Stock	10	10	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	18	4600	2000
11.34 €	1	Available	5 Days	10	12	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	19	5100	2400
11.83 €	1	Available	Same day Stock	10	15	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	22	5600	2800
12.35 €	1	Available	5 Days	10	17	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	24	6000	3300
12.84 €	1	Available	Same day Stock	10	20	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	28	9350	5100
14.86 €	1	Available	5 Days	10	25	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	32	10100	5800
18.40 €	1	Available	Same day Stock	10	30	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.3505 Equiv.	36	13200	8300
32.23 €	1	Available	5 Days	10	10	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	18	3900	1550
33.87 €	1	Available	5 Days	10	12	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	19	4300	1900
35.52 €	1	Available	5 Days	10	15	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	22	4750	2250
39.04 €	1	Available	5 Days	10	17	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	24	5100	2650
42.69 €	1	Available	5 Days	10	20	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	28	7900	4000
46.98 €	1	Available	5 Days	10	25	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	32	8600	4650
65.86 €	1	Available	5 Days	10	30	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Eccentric Ring	EN 1.4125 Equiv.	36	11300	6600
10.59 €	1	Available	Same day Stock	10	10	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	18	4600	2000
11.34 €	1	Available	Same day Stock	10	12	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	19	5100	2400
11.83 €	1	Available	Same day Stock	10	15	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	22	5600	2800
12.35 €	1	Available	Same day Stock	10	17	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	24	6000	3300
12.84 €	1	Available	Same day Stock	10	20	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	28	9350	5100
14.86 €	1	Available	Same day Stock	10	25	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	32	10100	5800
18.40 €	1	Available	Same day Stock	10	30	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	EN 1.3505 Equiv.	36	13200	8300

More Information

■How to Secure the Shaft

Set Screw Fixed

•There are two set screws at the end face of the bearing inner ring (at 120°).
The shaft is connected by tightening the set screws.

Eccentric Ring Fixed

•Dissociate the centers of the convex outer surface at the end of the bearing inner race (part a) and the concave inner surface of the eccentric ring (part b), connect the shaft and the inner ring by forming a wedge on the circumference (Refer to Fig. 1).
•Also, there is a set screw and a hole each (at the angle of 90°) on the end face of eccentric ring, which helps to prevent loosening by using the set screw as well as tightening as described above.
•The D hole is for inserting a small diameter rod when loosening the connection.

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Basic information

Unit, Type	Ball Bearing Units	Bearing Unit, Type	Pillow Blocks	Pillow Type, Category	Standard
Surface Treatment	Not Provided

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Basic Attributes

Shaft Bore Dia. D(mm)
10

12

15

17

20

25

30
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Bearing Inner Dia. Shape
- Set Screw
- Eccentric Ring
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Material Bearing
- EN 1.3505 Equiv.
- EN 1.4125 Equiv.
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Mounting Height H(mm)
18

19

22

24

28

32

36
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Type
- PBR
- PBRS
- PBRSX
- PBT
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Unit Body Material
- Cast Iron
  - Zinc Alloy Die Casting (ZDC)
- Stainless Steel Cast (EN 1.4308 Equiv.)
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