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Part Number Complete

PBT20

type Shaft Bore Dia. D Unit Body Material Bearing Inner Dia. Shape Bearing Material Mounting Height H CAD Days to Ship

Specification/Dimensions

type
- PBR
- PBRS
- PBRSX
- PBT
Clear
Shaft Bore Dia. D(Ø)
10

12

15

17

20

25

30
Clear
Unit Body Material
- Cast Iron
  - Zinc Alloy Die Casting (ZDC)
- Stainless Steel
  - Stainless Steel Cast (SCS13)
Clear
Bearing Inner Dia. Shape
- Set Screw
- Cylindrical Hole, Eccentric Collar
  - Eccentric Ring
Clear
Bearing Material
- Steel
  - SUJ2
- Stainless Steel
  - SUS440C Equivalent
Clear
Mounting Height H(mm)
18

19

22

24

28

32

36
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

6 Day(s) or Less
Clear

Specify Alterations

Ball Bearing/Pillow Blocks (PBT20)

Volume Discount

Brand :

Order Qty :
Total Price :

---
Days to ship :

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CAD Download

(i)
Caution

CAD data of eccentric locking collar type is being modified.

Product Description

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

Accuracy: JIS B 1558, JIS B 1559
Bearing Inner Diameter Tolerance: H7 (Clearance Fit)
Operating Temperature: -10 ~ +80°C

[ ! ]*2-M (Set Screw) angles for Set Screw Fixed Type are 120°.
[ ! ]Eccentric Ring Fixed Type has one set screw and one through hole, with an angle of 90°.
[ ! ]Eccentric rings are used to secure shafts.
[ ! ]Ball bearing moves slightly due to self-aligning function.
[ ! ]To maintain transition fit, the fit between the main body and the bearing is designed slightly tight (Except Cast Iron Type). If the bearing is inclined when delivered, insert the shaft into the bearing to adjust the inclination.

Type	Pillow Blocks	Component [ M ]Material
Type	Pillow Blocks	①Housing	②Bearing	③Rubber Seal	④Set Screw	⑤Eccentric Ring
Set Screw Fixed	PBT	Zinc Alloy Die Casting (ZDC)	SUJ2	Nitrile Rubber (NBR Nitrile Rubber )	SCM435	-
Eccentric Ring Fixed	PBR	Zinc Alloy Die Casting (ZDC)	SUJ2	Nitrile Rubber (NBR Nitrile Rubber )	SCM435	S20C
	PBRS	Zinc Alloy Die Casting (ZDC) + Nickel Chrome Plating	SUS440C equivalent	Nitrile Rubber (NBR Nitrile Rubber )	SUS304	S20Cl + Nickel Chrome Plating
	PBRSX	Stainless Steel Cast (SCS13)	SUS440C equivalent	Nitrile Rubber (NBR Nitrile Rubber )	SUS304	SUS304

Specifications

Part Number

PBR15

Part Number		H	L	L₁	A	d	t		H₁		B		S
Part Number							PBT	PBRSX	PBT	PBRSX	PBT	PBR PBRS PBRSX
Type	D						PBT	PBRSX	PBT	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

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
PBT20

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Shaft Bore Dia. D (Ø)	Unit Body Material	Bearing Inner Dia. Shape	Bearing Material	Mounting Height H (mm)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)
	₹ 1,200.00	1 Piece(s)	Available	Same day	10	20	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	[Steel] SUJ2	28	9350	5100

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.

Product TOP

Basic Information

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

Please check the type/dimensions/specifications of the part PBT20 in the Ball Bearing/Pillow Blocks series.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Product variants

Part Number
PBR15
PBR17
PBR20
PBR25
PBT25
PBT30

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Shaft Bore Dia. D (Ø)	Unit Body Material	Bearing Inner Dia. Shape	Bearing Material	Mounting Height H (mm)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)
₹ 1,103.54	1 Piece(s)	Available	6 Day(s) or more	10	15	[Cast Iron] Zinc Alloy Die Casting (ZDC)	[Cylindrical Hole, Eccentric Collar] Eccentric Ring	[Steel] SUJ2	22	5600	2800
₹ 1,135.68	1 Piece(s)	Available	6 Day(s) or more	10	17	[Cast Iron] Zinc Alloy Die Casting (ZDC)	[Cylindrical Hole, Eccentric Collar] Eccentric Ring	[Steel] SUJ2	24	6000	3300
₹ 1,199.97	1 Piece(s)	Available	6 Day(s) or more	10	20	[Cast Iron] Zinc Alloy Die Casting (ZDC)	[Cylindrical Hole, Eccentric Collar] Eccentric Ring	[Steel] SUJ2	28	9350	5100
₹ 1,392.82	1 Piece(s)	Available	Same day Stock	10	25	[Cast Iron] Zinc Alloy Die Casting (ZDC)	[Cylindrical Hole, Eccentric Collar] Eccentric Ring	[Steel] SUJ2	32	10100	5800
₹ 1,392.82	1 Piece(s)	Available	Same day Stock	10	25	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	[Steel] SUJ2	32	10100	5800
₹ 1,141.00	1 Piece(s)	Available	Same day Stock	10	30	[Cast Iron] Zinc Alloy Die Casting (ZDC)	Set Screw	[Steel] SUJ2	36	13200	8300

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