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
PBRSX10
PBRSX12
PBRSX15
PBRSX17
PBRSX20
PBRSX25

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)
48.37 €	1	Available	Same day Stock	10	10	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	18	3900	1550
50.89 €	1	Available	Same day Stock	10	12	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	19	4300	1900
53.27 €	1	Available	5 Days	10	15	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	22	4750	2250
58.57 €	1	Available	5 Days	10	17	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	24	5100	2650
64.11 €	1	Available	5 Days	10	20	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	28	7900	4000
70.53 €	1	Available	Same day Stock	10	25	Stainless Steel Cast (EN 1.4308 Equiv.)	Eccentric Ring	EN 1.4125 Equiv.	32	8600	4650

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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